12137508274 has 4 divisors (see below), whose sum is σ = 18206262414. Its totient is φ = 6068754136.

The previous prime is 12137508259. The next prime is 12137508277. The reversal of 12137508274 is 47280573121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47280573121 = 106921 ⋅442201.

It can be written as a sum of positive squares in only one way, i.e., 8496230625 + 3641277649 = 92175^2 + 60343^2 .

It is not an unprimeable number, because it can be changed into a prime (12137508277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3034377067 + ... + 3034377070.

Almost surely, 2^12137508274 is an apocalyptic number.

12137508274 is a deficient number, since it is larger than the sum of its proper divisors (6068754140).

12137508274 is an equidigital number, since it uses as much as digits as its factorization.

12137508274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068754139.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 12137508274 in words is "twelve billion, one hundred thirty-seven million, five hundred eight thousand, two hundred seventy-four".