122409338913 has 16 divisors (see below), whose sum is σ = 181355339200. Its totient is φ = 81602549280.

The previous prime is 122409338897. The next prime is 122409338929. The reversal of 122409338913 is 319833904221.

122409338913 is a `hidden beast` number, since 1 + 224 + 0 + 9 + 338 + 91 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (122409338897) and next prime (122409338929).

It is not a de Polignac number, because 122409338913 - 2⁴ = 122409338897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122409338963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594693 + ... + 773613.

It is an arithmetic number, because the mean of its divisors is an integer number (11334708700).

Almost surely, 2^122409338913 is an apocalyptic number.

It is an amenable number.

122409338913 is a deficient number, since it is larger than the sum of its proper divisors (58946000287).

122409338913 is a wasteful number, since it uses less digits than its factorization.

122409338913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204269 (or 204263 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 122409338913 in words is "one hundred twenty-two billion, four hundred nine million, three hundred thirty-eight thousand, nine hundred thirteen".