122313137851 has 2 divisors, whose sum is σ = 122313137852. Its totient is φ = 122313137850.

The previous prime is 122313137839. The next prime is 122313137857. The reversal of 122313137851 is 158731313221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122313137851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122313137851.

It is not a weakly prime, because it can be changed into another prime (122313137857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156568925 + 61156568926.

It is an arithmetic number, because the mean of its divisors is an integer number (61156568926).

Almost surely, 2^122313137851 is an apocalyptic number.

122313137851 is a deficient number, since it is larger than the sum of its proper divisors (1).

122313137851 is an equidigital number, since it uses as much as digits as its factorization.

122313137851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The spelling of 122313137851 in words is "one hundred twenty-two billion, three hundred thirteen million, one hundred thirty-seven thousand, eight hundred fifty-one".