12492129252 has 24 divisors (see below), whose sum is σ = 29159676000. Its totient is φ = 4162418176.

The previous prime is 12492129229. The next prime is 12492129263. The reversal of 12492129252 is 25292129421.

12492129252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12492129252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170877 + ... + 232772.

It is an arithmetic number, because the mean of its divisors is an integer number (1214986500).

Almost surely, 2^12492129252 is an apocalyptic number.

12492129252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12492129252 is an abundant number, since it is smaller than the sum of its proper divisors (16667546748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12492129252 is a wasteful number, since it uses less digits than its factorization.

12492129252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406235 (or 406233 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The spelling of 12492129252 in words is "twelve billion, four hundred ninety-two million, one hundred twenty-nine thousand, two hundred fifty-two".