122012210923 has 2 divisors, whose sum is σ = 122012210924. Its totient is φ = 122012210922.

The previous prime is 122012210891. The next prime is 122012210933. The reversal of 122012210923 is 329012210221.

It is a strong prime.

It is an emirp because it is prime and its reverse (329012210221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122012210923 - 2⁵ = 122012210891 is a prime.

It is a super-2 number, since 2×122012210923² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122012210933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006105461 + 61006105462.

It is an arithmetic number, because the mean of its divisors is an integer number (61006105462).

Almost surely, 2^122012210923 is an apocalyptic number.

122012210923 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012210923 is an equidigital number, since it uses as much as digits as its factorization.

122012210923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 122012210923 in words is "one hundred twenty-two billion, twelve million, two hundred ten thousand, nine hundred twenty-three".