12315604744 has 16 divisors (see below), whose sum is σ = 23116312620. Its totient is φ = 6151254720.

The previous prime is 12315604703. The next prime is 12315604787. The reversal of 12315604744 is 44740651321.

It can be written as a sum of positive squares in 2 ways, for example, as 11276316100 + 1039288644 = 106190^2 + 32238^2 .

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, 810459 + ... + 825514.

Almost surely, 2^12315604744 is an apocalyptic number.

It is an amenable number.

12315604744 is a deficient number, since it is larger than the sum of its proper divisors (10800707876).

12315604744 is a wasteful number, since it uses less digits than its factorization.

12315604744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636920 (or 1636916 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 12315604744 in words is "twelve billion, three hundred fifteen million, six hundred four thousand, seven hundred forty-four".