12312409951 has 2 divisors, whose sum is σ = 12312409952. Its totient is φ = 12312409950.

The previous prime is 12312409931. The next prime is 12312409957. The reversal of 12312409951 is 15990421321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312409951 - 2¹¹ = 12312407903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12312409951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312409957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156204975 + 6156204976.

It is an arithmetic number, because the mean of its divisors is an integer number (6156204976).

Almost surely, 2^12312409951 is an apocalyptic number.

12312409951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312409951 is an equidigital number, since it uses as much as digits as its factorization.

12312409951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 12312409951 in words is "twelve billion, three hundred twelve million, four hundred nine thousand, nine hundred fifty-one".