12516373504 has 44 divisors (see below), whose sum is σ = 25827703168. Its totient is φ = 6056294400.

The previous prime is 12516373501. The next prime is 12516373517. The reversal of 12516373504 is 40537361521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516373501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165402 + ... + 228889.

Almost surely, 2^12516373504 is an apocalyptic number.

It is an amenable number.

12516373504 is an abundant number, since it is smaller than the sum of its proper divisors (13311329664).

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

12516373504 is an equidigital number, since it uses as much as digits as its factorization.

12516373504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394342 (or 394324 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 12516373504 in words is "twelve billion, five hundred sixteen million, three hundred seventy-three thousand, five hundred four".