12577222524 has 12 divisors (see below), whose sum is σ = 29346852584. Its totient is φ = 4192407504.

The previous prime is 12577222453. The next prime is 12577222531. The reversal of 12577222524 is 42522277521.

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

It is a congruent number.

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, 524050927 + ... + 524050950.

Almost surely, 2^12577222524 is an apocalyptic number.

It is an amenable number.

12577222524 is an abundant number, since it is smaller than the sum of its proper divisors (16769630060).

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

12577222524 is a wasteful number, since it uses less digits than its factorization.

12577222524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048101884 (or 1048101882 counting only the distinct ones).

The product of its digits is 156800, while the sum is 39.

The spelling of 12577222524 in words is "twelve billion, five hundred seventy-seven million, two hundred twenty-two thousand, five hundred twenty-four".