12374931520 has 56 divisors (see below), whose sum is σ = 33677498304. Its totient is φ = 4242832896.

The previous prime is 12374931451. The next prime is 12374931593. The reversal of 12374931520 is 2513947321.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 12374931520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760022 + ... + 2764501.

Almost surely, 2^12374931520 is an apocalyptic number.

12374931520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12374931520 is an abundant number, since it is smaller than the sum of its proper divisors (21302566784).

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

12374931520 is an equidigital number, since it uses as much as digits as its factorization.

12374931520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524547 (or 5524537 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 12374931520 in words is "twelve billion, three hundred seventy-four million, nine hundred thirty-one thousand, five hundred twenty".