122312077999 has 2 divisors, whose sum is σ = 122312078000. Its totient is φ = 122312077998.

The previous prime is 122312077981. The next prime is 122312078059. The reversal of 122312077999 is 999770213221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122312077999 - 2⁷ = 122312077871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122312077949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156038999 + 61156039000.

It is an arithmetic number, because the mean of its divisors is an integer number (61156039000).

Almost surely, 2^122312077999 is an apocalyptic number.

122312077999 is a deficient number, since it is larger than the sum of its proper divisors (1).

122312077999 is an equidigital number, since it uses as much as digits as its factorization.

122312077999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 52.

The spelling of 122312077999 in words is "one hundred twenty-two billion, three hundred twelve million, seventy-seven thousand, nine hundred ninety-nine".