312112429999 has 2 divisors, whose sum is σ = 312112430000. Its totient is φ = 312112429998.

The previous prime is 312112429991. The next prime is 312112430059. The reversal of 312112429999 is 999924211213.

It is a weak prime.

It is an emirp because it is prime and its reverse (999924211213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312112429999 - 2³ = 312112429991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312112429991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156056214999 + 156056215000.

It is an arithmetic number, because the mean of its divisors is an integer number (156056215000).

Almost surely, 2^312112429999 is an apocalyptic number.

312112429999 is a deficient number, since it is larger than the sum of its proper divisors (1).

312112429999 is an equidigital number, since it uses as much as digits as its factorization.

312112429999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 52.

The spelling of 312112429999 in words is "three hundred twelve billion, one hundred twelve million, four hundred twenty-nine thousand, nine hundred ninety-nine".