12501164964 has 48 divisors (see below), whose sum is σ = 29451240000. Its totient is φ = 4126955136.

The previous prime is 12501164959. The next prime is 12501164971. The reversal of 12501164964 is 46946110521.

It is a super-2 number, since 2×12501164964² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610362 + ... + 630510.

It is an arithmetic number, because the mean of its divisors is an integer number (613567500).

Almost surely, 2^12501164964 is an apocalyptic number.

It is an amenable number.

12501164964 is an abundant number, since it is smaller than the sum of its proper divisors (16950075036).

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

12501164964 is a wasteful number, since it uses less digits than its factorization.

12501164964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20652 (or 20650 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 12501164964 in words is "twelve billion, five hundred one million, one hundred sixty-four thousand, nine hundred sixty-four".