312212022413939 has 2 divisors, whose sum is σ = 312212022413940. Its totient is φ = 312212022413938.

The previous prime is 312212022413897. The next prime is 312212022413969. The reversal of 312212022413939 is 939314220212213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312212022413939 - 2¹² = 312212022409843 is a prime.

It is a super-2 number, since 2×312212022413939² (a number of 30 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 312212022413939.

It is not a weakly prime, because it can be changed into another prime (312212022413969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106011206969 + 156106011206970.

It is an arithmetic number, because the mean of its divisors is an integer number (156106011206970).

Almost surely, 2^{312212022413939} is an apocalyptic number.

312212022413939 is a deficient number, since it is larger than the sum of its proper divisors (1).

312212022413939 is an equidigital number, since it uses as much as digits as its factorization.

312212022413939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 312212022413939 in words is "three hundred twelve trillion, two hundred twelve billion, twenty-two million, four hundred thirteen thousand, nine hundred thirty-nine".