129874812924 has 96 divisors (see below), whose sum is σ = 318231244800. Its totient is φ = 41181437440.

The previous prime is 129874812919. The next prime is 129874812961. The reversal of 129874812924 is 429218478921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6209917 + ... + 6230795.

It is an arithmetic number, because the mean of its divisors is an integer number (3314908800).

Almost surely, 2^129874812924 is an apocalyptic number.

It is an amenable number.

129874812924 is an abundant number, since it is smaller than the sum of its proper divisors (188356431876).

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

129874812924 is a wasteful number, since it uses less digits than its factorization.

129874812924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21243 (or 21241 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The spelling of 129874812924 in words is "one hundred twenty-nine billion, eight hundred seventy-four million, eight hundred twelve thousand, nine hundred twenty-four".