122369811913 has 2 divisors, whose sum is σ = 122369811914. Its totient is φ = 122369811912.

The previous prime is 122369811887. The next prime is 122369811943. The reversal of 122369811913 is 319118963221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87590545849 + 34779266064 = 295957^2 + 186492^2 .

It is a cyclic number.

It is not a de Polignac number, because 122369811913 - 2¹⁷ = 122369680841 is a prime.

It is not a weakly prime, because it can be changed into another prime (122369811943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61184905956 + 61184905957.

It is an arithmetic number, because the mean of its divisors is an integer number (61184905957).

Almost surely, 2^122369811913 is an apocalyptic number.

It is an amenable number.

122369811913 is a deficient number, since it is larger than the sum of its proper divisors (1).

122369811913 is an equidigital number, since it uses as much as digits as its factorization.

122369811913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 46.

The spelling of 122369811913 in words is "one hundred twenty-two billion, three hundred sixty-nine million, eight hundred eleven thousand, nine hundred thirteen".