122313399959 has 2 divisors, whose sum is σ = 122313399960. Its totient is φ = 122313399958.

The previous prime is 122313399919. The next prime is 122313400003. The reversal of 122313399959 is 959993313221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122313399959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122313399919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156699979 + 61156699980.

It is an arithmetic number, because the mean of its divisors is an integer number (61156699980).

Almost surely, 2^122313399959 is an apocalyptic number.

122313399959 is a deficient number, since it is larger than the sum of its proper divisors (1).

122313399959 is an equidigital number, since it uses as much as digits as its factorization.

122313399959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3542940, while the sum is 56.

The spelling of 122313399959 in words is "one hundred twenty-two billion, three hundred thirteen million, three hundred ninety-nine thousand, nine hundred fifty-nine".