122343272613 has 40 divisors (see below), whose sum is σ = 183321902808. Its totient is φ = 81311717376.

The previous prime is 122343272603. The next prime is 122343272617. The reversal of 122343272613 is 316272343221.

122343272613 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 4 + 32 + 7 + 2 + 613 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16941104964 + 105402167649 = 130158^2 + 324657^2 .

It is a de Polignac number, because none of the positive numbers 2^k-122343272613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122343272617) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53823445 + ... + 53825717.

Almost surely, 2^122343272613 is an apocalyptic number.

It is an amenable number.

122343272613 is a deficient number, since it is larger than the sum of its proper divisors (60978630195).

122343272613 is a wasteful number, since it uses less digits than its factorization.

122343272613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035 (or 4026 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The spelling of 122343272613 in words is "one hundred twenty-two billion, three hundred forty-three million, two hundred seventy-two thousand, six hundred thirteen".