12520862238387 has 16 divisors (see below), whose sum is σ = 17138950152192. Its totient is φ = 8126867604480.

The previous prime is 12520862238377. The next prime is 12520862238413. The reversal of 12520862238387 is 78383226802521.

It is not a de Polignac number, because 12520862238387 - 2²⁷ = 12520728020659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12520862238317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232434958 + ... + 232488819.

It is an arithmetic number, because the mean of its divisors is an integer number (1071184384512).

Almost surely, 2^{12520862238387} is an apocalyptic number.

12520862238387 is a deficient number, since it is larger than the sum of its proper divisors (4618087913805).

12520862238387 is a wasteful number, since it uses less digits than its factorization.

12520862238387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464924018.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 12520862238387 in words is "twelve trillion, five hundred twenty billion, eight hundred sixty-two million, two hundred thirty-eight thousand, three hundred eighty-seven".