12512370520 has 32 divisors (see below), whose sum is σ = 30318437520. Its totient is φ = 4619952000.

The previous prime is 12512370517. The next prime is 12512370589. The reversal of 12512370520 is 2507321521.

It is a congruent number.

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, 12030606 + ... + 12031645.

Almost surely, 2^12512370520 is an apocalyptic number.

12512370520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12512370520 is an abundant number, since it is smaller than the sum of its proper divisors (17806067000).

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

12512370520 is a wasteful number, since it uses less digits than its factorization.

12512370520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24062275 (or 24062271 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 12512370520 in words is "twelve billion, five hundred twelve million, three hundred seventy thousand, five hundred twenty".