12312455131099 has 2 divisors, whose sum is σ = 12312455131100. Its totient is φ = 12312455131098.

The previous prime is 12312455131007. The next prime is 12312455131133. The reversal of 12312455131099 is 99013155421321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312455131099 - 2³⁹ = 11762699317211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12312455131199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156227565549 + 6156227565550.

It is an arithmetic number, because the mean of its divisors is an integer number (6156227565550).

Almost surely, 2^{12312455131099} is an apocalyptic number.

12312455131099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312455131099 is an equidigital number, since it uses as much as digits as its factorization.

12312455131099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 12312455131099 in words is "twelve trillion, three hundred twelve billion, four hundred fifty-five million, one hundred thirty-one thousand, ninety-nine".