12564745196 has 12 divisors (see below), whose sum is σ = 22582582848. Its totient is φ = 6112578672.

The previous prime is 12564745157. The next prime is 12564745231. The reversal of 12564745196 is 69154746521.

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, 42448316 + ... + 42448611.

It is an arithmetic number, because the mean of its divisors is an integer number (1881881904).

Almost surely, 2^12564745196 is an apocalyptic number.

It is an amenable number.

12564745196 is a deficient number, since it is larger than the sum of its proper divisors (10017837652).

12564745196 is a wasteful number, since it uses less digits than its factorization.

12564745196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84896968 (or 84896966 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The spelling of 12564745196 in words is "twelve billion, five hundred sixty-four million, seven hundred forty-five thousand, one hundred ninety-six".