12501564204 has 12 divisors (see below), whose sum is σ = 29170316504. Its totient is φ = 4167188064.

The previous prime is 12501564203. The next prime is 12501564211. The reversal of 12501564204 is 40246510521.

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

It is not an unprimeable number, because it can be changed into a prime (12501564203) 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, 520898497 + ... + 520898520.

Almost surely, 2^12501564204 is an apocalyptic number.

It is an amenable number.

12501564204 is an abundant number, since it is smaller than the sum of its proper divisors (16668752300).

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

12501564204 is a wasteful number, since it uses less digits than its factorization.

12501564204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041797024 (or 1041797022 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12501564204 in words is "twelve billion, five hundred one million, five hundred sixty-four thousand, two hundred four".