12566270131 has 2 divisors, whose sum is σ = 12566270132. Its totient is φ = 12566270130.

The previous prime is 12566270117. The next prime is 12566270149. The reversal of 12566270131 is 13107266521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12566270131 - 2¹¹ = 12566268083 is a prime.

It is a super-2 number, since 2×12566270131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12566270531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6283135065 + 6283135066.

It is an arithmetic number, because the mean of its divisors is an integer number (6283135066).

Almost surely, 2^12566270131 is an apocalyptic number.

12566270131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12566270131 is an equidigital number, since it uses as much as digits as its factorization.

12566270131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 12566270131 in words is "twelve billion, five hundred sixty-six million, two hundred seventy thousand, one hundred thirty-one".