12501535524 has 12 divisors (see below), whose sum is σ = 29170249584. Its totient is φ = 4167178504.

The previous prime is 12501535511. The next prime is 12501535559. The reversal of 12501535524 is 42553510521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520897302 + ... + 520897325.

It is an arithmetic number, because the mean of its divisors is an integer number (2430854132).

Almost surely, 2^12501535524 is an apocalyptic number.

It is an amenable number.

12501535524 is an abundant number, since it is smaller than the sum of its proper divisors (16668714060).

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

12501535524 is a wasteful number, since it uses less digits than its factorization.

12501535524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041794634 (or 1041794632 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 12501535524 in words is "twelve billion, five hundred one million, five hundred thirty-five thousand, five hundred twenty-four".