12396631973247 has 12 divisors (see below), whose sum is σ = 18523702948920. Its totient is φ = 7979441269968.

The previous prime is 12396631973123. The next prime is 12396631973249. The reversal of 12396631973247 is 74237913669321.

12396631973247 is a `hidden beast` number, since 1 + 2 + 3 + 9 + 6 + 6 + 319 + 73 + 247 = 666.

It is not a de Polignac number, because 12396631973247 - 2⁷ = 12396631973119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12396631973249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23748336853 + ... + 23748337374.

It is an arithmetic number, because the mean of its divisors is an integer number (1543641912410).

Almost surely, 2^{12396631973247} is an apocalyptic number.

12396631973247 is a deficient number, since it is larger than the sum of its proper divisors (6127070975673).

12396631973247 is a wasteful number, since it uses less digits than its factorization.

12396631973247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47496674262 (or 47496674259 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 63.

The spelling of 12396631973247 in words is "twelve trillion, three hundred ninety-six billion, six hundred thirty-one million, nine hundred seventy-three thousand, two hundred forty-seven".