122312972231 has 2 divisors, whose sum is σ = 122312972232. Its totient is φ = 122312972230.

The previous prime is 122312972141. The next prime is 122312972233. The reversal of 122312972231 is 132279213221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122312972231 - 2³⁰ = 121239230407 is a prime.

It is a super-2 number, since 2×122312972231² (a number of 23 digits) contains 22 as substring.

Together with 122312972233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122312972191 and 122312972200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122312972233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156486115 + 61156486116.

It is an arithmetic number, because the mean of its divisors is an integer number (61156486116).

Almost surely, 2^122312972231 is an apocalyptic number.

122312972231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122312972231 is an equidigital number, since it uses as much as digits as its factorization.

122312972231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The spelling of 122312972231 in words is "one hundred twenty-two billion, three hundred twelve million, nine hundred seventy-two thousand, two hundred thirty-one".