12345678900

12345678900 is an eleven‑digit integer. It consists of the digits 1 through 9 in sequence with two trailing zeros, and is commonly written with thousands separators as 12,345,678,900. The value is approximately 12.3 billion.

Numerical properties: It is divisible by 100, since it ends in two zeros. Therefore it can be expressed as 100 × 123,456,789. The prime factorization of 123,456,789 is 3^2 × 3607 × 3803, giving the full factorization of 12,345,678,900 as 2^2 × 3^2 × 5^2 × 3607 × 3803. This makes the number composite with several small and large prime factors.

Context and uses: In computing and data processing, sequences like 12345678900 are often used as test inputs or placeholders to ensure formatting, sorting, or parsing routines handle long integers correctly. It does not denote a widely recognized historical year, event, or entity on its own, and there is no standard name associated with this exact numeral.

See also: Related numeric sequences or patterns sometimes considered in numerical curiosity include 123456789 and 12,345,678,900 as examples of consecutive digits with trailing zeros, or discussions of the factorization of special1-digit‑in‑order numbers.