122312931253 has 16 divisors (see below), whose sum is σ = 129972807360. Its totient is φ = 114705047296.

The previous prime is 122312931241. The next prime is 122312931283. The reversal of 122312931253 is 352139213221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122312931253 is a prime.

It is a super-2 number, since 2×122312931253² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312931233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19715250 + ... + 19721452.

It is an arithmetic number, because the mean of its divisors is an integer number (8123300460).

Almost surely, 2^122312931253 is an apocalyptic number.

It is an amenable number.

122312931253 is a deficient number, since it is larger than the sum of its proper divisors (7659876107).

122312931253 is a wasteful number, since it uses less digits than its factorization.

122312931253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10196.

The product of its digits is 19440, while the sum is 34.

The spelling of 122312931253 in words is "one hundred twenty-two billion, three hundred twelve million, nine hundred thirty-one thousand, two hundred fifty-three".