12129

12129 is a prime number. It is the 1476th prime number. In decimal representation, it is preceded by 12127 and followed by 12131. Its digits are 1, 2, 1, 2, 9. The sum of its digits is 15.

The number 12129 does not appear to hold significant mathematical properties beyond its primality. It is not a Mersenne prime, a Fermat prime, or a perfect number. It also does not appear in common mathematical sequences like the Fibonacci sequence or the Catalan numbers.

In other contexts, 12129 might represent a specific identifier. For instance, it could be a postal code, a product serial number, or a part of a larger data set. Without further context, its meaning remains specific to the system or domain in which it is used. For example, if 12129 were a postal code, it would designate a particular geographic area. If it were an item number, it would refer to a unique product. The significance of 12129 is therefore entirely dependent on its application.