12268666931 has 2 divisors, whose sum is σ = 12268666932. Its totient is φ = 12268666930.

The previous prime is 12268666889. The next prime is 12268666967. The reversal of 12268666931 is 13966686221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12268666931 is a prime.

It is a super-2 number, since 2×12268666931² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12268666931.

It is not a weakly prime, because it can be changed into another prime (12268666031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6134333465 + 6134333466.

It is an arithmetic number, because the mean of its divisors is an integer number (6134333466).

Almost surely, 2^12268666931 is an apocalyptic number.

12268666931 is a deficient number, since it is larger than the sum of its proper divisors (1).

12268666931 is an equidigital number, since it uses as much as digits as its factorization.

12268666931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The spelling of 12268666931 in words is "twelve billion, two hundred sixty-eight million, six hundred sixty-six thousand, nine hundred thirty-one".