12531611204 has 24 divisors (see below), whose sum is σ = 25193094528. Its totient is φ = 5342860800.

The previous prime is 12531611143. The next prime is 12531611231. The reversal of 12531611204 is 40211613521.

12531611204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1154072 + ... + 1164879.

It is an arithmetic number, because the mean of its divisors is an integer number (1049712272).

Almost surely, 2^12531611204 is an apocalyptic number.

12531611204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12531611204 is an abundant number, since it is smaller than the sum of its proper divisors (12661483324).

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

12531611204 is a wasteful number, since it uses less digits than its factorization.

12531611204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319155 (or 2319153 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 12531611204 in words is "twelve billion, five hundred thirty-one million, six hundred eleven thousand, two hundred four".