312554858112019 has 2 divisors, whose sum is σ = 312554858112020. Its totient is φ = 312554858112018.

The previous prime is 312554858111933. The next prime is 312554858112121. The reversal of 312554858112019 is 910211858455213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312554858112019 - 2¹⁷ = 312554857980947 is a prime.

It is a super-2 number, since 2×312554858112019² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312554858412019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156277429056009 + 156277429056010.

It is an arithmetic number, because the mean of its divisors is an integer number (156277429056010).

Almost surely, 2^{312554858112019} is an apocalyptic number.

312554858112019 is a deficient number, since it is larger than the sum of its proper divisors (1).

312554858112019 is an equidigital number, since it uses as much as digits as its factorization.

312554858112019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456000, while the sum is 55.

The spelling of 312554858112019 in words is "three hundred twelve trillion, five hundred fifty-four billion, eight hundred fifty-eight million, one hundred twelve thousand, nineteen".