312122300300989 has 2 divisors, whose sum is σ = 312122300300990. Its totient is φ = 312122300300988.

The previous prime is 312122300300929. The next prime is 312122300301011. The reversal of 312122300300989 is 989003003221213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230424961860025 + 81697338440964 = 15179755^2 + 9038658^2 .

It is a cyclic number.

It is not a de Polignac number, because 312122300300989 - 2¹⁷ = 312122300169917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312122300300929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156061150150494 + 156061150150495.

It is an arithmetic number, because the mean of its divisors is an integer number (156061150150495).

Almost surely, 2^{312122300300989} is an apocalyptic number.

It is an amenable number.

312122300300989 is a deficient number, since it is larger than the sum of its proper divisors (1).

312122300300989 is an equidigital number, since it uses as much as digits as its factorization.

312122300300989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 312122300300989 in words is "three hundred twelve trillion, one hundred twenty-two billion, three hundred million, three hundred thousand, nine hundred eighty-nine".