12315970947 has 32 divisors (see below), whose sum is σ = 19214221312. Its totient is φ = 6870243744.

The previous prime is 12315970939. The next prime is 12315970957. The reversal of 12315970947 is 74907951321.

It is not a de Polignac number, because 12315970947 - 2³ = 12315970939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12315970896 and 12315970905.

It is not an unprimeable number, because it can be changed into a prime (12315970957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2767278 + ... + 2771724.

It is an arithmetic number, because the mean of its divisors is an integer number (600444416).

Almost surely, 2^12315970947 is an apocalyptic number.

12315970947 is a deficient number, since it is larger than the sum of its proper divisors (6898250365).

12315970947 is a wasteful number, since it uses less digits than its factorization.

12315970947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567.

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 12315970947 in words is "twelve billion, three hundred fifteen million, nine hundred seventy thousand, nine hundred forty-seven".