12243736426131 has 48 divisors (see below), whose sum is σ = 20226505538304. Its totient is φ = 6991360540992.

The previous prime is 12243736426111. The next prime is 12243736426133. The reversal of 12243736426131 is 13162463734221.

12243736426131 is a `hidden beast` number, since 1 + 2 + 2 + 437 + 3 + 64 + 26 + 131 = 666.

It is not a de Polignac number, because 12243736426131 - 2¹⁵ = 12243736393363 is a prime.

It is a super-2 number, since 2×12243736426131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12243736426133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1103729821 + ... + 1103740913.

It is an arithmetic number, because the mean of its divisors is an integer number (421385532048).

Almost surely, 2^{12243736426131} is an apocalyptic number.

12243736426131 is a deficient number, since it is larger than the sum of its proper divisors (7982769112173).

12243736426131 is a wasteful number, since it uses less digits than its factorization.

12243736426131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22200 (or 22197 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The spelling of 12243736426131 in words is "twelve trillion, two hundred forty-three billion, seven hundred thirty-six million, four hundred twenty-six thousand, one hundred thirty-one".