12520878507232 has 24 divisors (see below), whose sum is σ = 24650569528200. Its totient is φ = 6260416404864.

The previous prime is 12520878507167. The next prime is 12520878507233. The reversal of 12520878507232 is 23270587802521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12520878507232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520878507233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11301519 + ... + 12359857.

It is an arithmetic number, because the mean of its divisors is an integer number (1027107063675).

Almost surely, 2^{12520878507232} is an apocalyptic number.

It is an amenable number.

12520878507232 is a deficient number, since it is larger than the sum of its proper divisors (12129691020968).

12520878507232 is a wasteful number, since it uses less digits than its factorization.

12520878507232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428058 (or 1428050 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 12520878507232 in words is "twelve trillion, five hundred twenty billion, eight hundred seventy-eight million, five hundred seven thousand, two hundred thirty-two".