122335678931 has 2 divisors, whose sum is σ = 122335678932. Its totient is φ = 122335678930.

The previous prime is 122335678889. The next prime is 122335678943. The reversal of 122335678931 is 139876533221.

It is a strong prime.

It is an emirp because it is prime and its reverse (139876533221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122335678931 - 2⁶ = 122335678867 is a prime.

It is a super-2 number, since 2×122335678931² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122335678931.

It is not a weakly prime, because it can be changed into another prime (122335674931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61167839465 + 61167839466.

It is an arithmetic number, because the mean of its divisors is an integer number (61167839466).

Almost surely, 2^122335678931 is an apocalyptic number.

122335678931 is a deficient number, since it is larger than the sum of its proper divisors (1).

122335678931 is an equidigital number, since it uses as much as digits as its factorization.

122335678931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The spelling of 122335678931 in words is "one hundred twenty-two billion, three hundred thirty-five million, six hundred seventy-eight thousand, nine hundred thirty-one".