12137642315 has 4 divisors (see below), whose sum is σ = 14565170784. Its totient is φ = 9710113848.

The previous prime is 12137642249. The next prime is 12137642327. The reversal of 12137642315 is 51324673121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12137642315 is a prime.

It is a Duffinian number.

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, 1213764227 + ... + 1213764236.

It is an arithmetic number, because the mean of its divisors is an integer number (3641292696).

Almost surely, 2^12137642315 is an apocalyptic number.

12137642315 is a deficient number, since it is larger than the sum of its proper divisors (2427528469).

12137642315 is an equidigital number, since it uses as much as digits as its factorization.

12137642315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427528468.

The product of its digits is 30240, while the sum is 35.

The spelling of 12137642315 in words is "twelve billion, one hundred thirty-seven million, six hundred forty-two thousand, three hundred fifteen".