12724623631136 has 12 divisors (see below), whose sum is σ = 25051602773862. Its totient is φ = 6362311815552.

The previous prime is 12724623631133. The next prime is 12724623631183. The reversal of 12724623631136 is 63113632642721.

12724623631136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10139409851536 + 2585213779600 = 3184244^2 + 1607860^2 .

It is not an unprimeable number, because it can be changed into a prime (12724623631133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198822244205 + ... + 198822244268.

Almost surely, 2^{12724623631136} is an apocalyptic number.

12724623631136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12724623631136 is a deficient number, since it is larger than the sum of its proper divisors (12326979142726).

12724623631136 is an equidigital number, since it uses as much as digits as its factorization.

12724623631136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397644488483 (or 397644488475 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 47.

The spelling of 12724623631136 in words is "twelve trillion, seven hundred twenty-four billion, six hundred twenty-three million, six hundred thirty-one thousand, one hundred thirty-six".