CDXII

CDXII is a Roman numeral representing the number four hundred and twelve. It is formed by combining the symbols C, D, X, I, and I. In Roman numerals, C equals one hundred, D equals five hundred, X equals ten, and I equals one. The arrangement CDXII follows the subtractive principle, where a smaller value placed before a larger one indicates subtraction.

The subtractive rule is most evident in the first two symbols: C is placed before D, meaning 500 minus 100, which equals four hundred. The remaining symbols, X, I, and I, are additive, adding ten and two to the total, resulting in four hundred and twelve.

Historically, CDXII would have been used in inscriptions, documentation, and numbering systems dating back to the Roman Republic and Empire. During the Middle Ages, Roman numerals continued to be employed for numbering centuries, cataloging manuscripts, and marking pages in books. The numeral CDXII itself would have appeared on dated objects, on calendars, and in legal documents to indicate the year or an ordinal position.

In contemporary usage, Roman numerals like CDXII are primarily ornamental and symbolic rather than practical for arithmetic. They are seen in clock faces, film titles, list numbering, and ceremonial contexts. Despite its age, CDXII remains a concise symbol denoting the value 412 within the enduring legacy of Roman numeric notation.