12397995144 has 48 divisors (see below), whose sum is σ = 35553077820. Its totient is φ = 3889566720.

The previous prime is 12397995119. The next prime is 12397995163. The reversal of 12397995144 is 44159979321.

12397995144 is a `hidden beast` number, since 1 + 2 + 39 + 7 + 99 + 514 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11829172644 + 568822500 = 108762^2 + 23850^2 .

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, 5063317 + ... + 5065764.

Almost surely, 2^12397995144 is an apocalyptic number.

It is an amenable number.

12397995144 is an abundant number, since it is smaller than the sum of its proper divisors (23155082676).

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

12397995144 is a wasteful number, since it uses less digits than its factorization.

12397995144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10129110 (or 10129103 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 12397995144 in words is "twelve billion, three hundred ninety-seven million, nine hundred ninety-five thousand, one hundred forty-four".