12195645264 has 60 divisors (see below), whose sum is σ = 37233679392. Its totient is φ = 3695649600.

The previous prime is 12195645229. The next prime is 12195645289. The reversal of 12195645264 is 46254659121.

12195645264 is a `hidden beast` number, since 1 + 2 + 195 + 6 + 452 + 6 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3848052 + ... + 3851219.

Almost surely, 2^12195645264 is an apocalyptic number.

It is an amenable number.

12195645264 is an abundant number, since it is smaller than the sum of its proper divisors (25038034128).

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

12195645264 is a wasteful number, since it uses less digits than its factorization.

12195645264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7699296 (or 7699287 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 12195645264 in words is "twelve billion, one hundred ninety-five million, six hundred forty-five thousand, two hundred sixty-four".