122412515597 has 2 divisors, whose sum is σ = 122412515598. Its totient is φ = 122412515596.

The previous prime is 122412515503. The next prime is 122412515629. The reversal of 122412515597 is 795515214221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122401319881 + 11195716 = 349859^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 122412515597 - 2¹⁰ = 122412514573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122412518597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61206257798 + 61206257799.

It is an arithmetic number, because the mean of its divisors is an integer number (61206257799).

Almost surely, 2^122412515597 is an apocalyptic number.

It is an amenable number.

122412515597 is a deficient number, since it is larger than the sum of its proper divisors (1).

122412515597 is an equidigital number, since it uses as much as digits as its factorization.

122412515597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 44.

The spelling of 122412515597 in words is "one hundred twenty-two billion, four hundred twelve million, five hundred fifteen thousand, five hundred ninety-seven".