122227737813 has 12 divisors (see below), whose sum is σ = 177465952300. Its totient is φ = 81062954496.

The previous prime is 122227737763. The next prime is 122227737823. The reversal of 122227737813 is 318737722221.

122227737813 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 277 + 378 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 83881482129 + 38346255684 = 289623^2 + 195822^2 .

It is not a de Polignac number, because 122227737813 - 2¹³ = 122227729621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122227737823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35181838 + ... + 35185311.

Almost surely, 2^122227737813 is an apocalyptic number.

It is an amenable number.

122227737813 is a deficient number, since it is larger than the sum of its proper divisors (55238214487).

122227737813 is a wasteful number, since it uses less digits than its factorization.

122227737813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70367348 (or 70367345 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The spelling of 122227737813 in words is "one hundred twenty-two billion, two hundred twenty-seven million, seven hundred thirty-seven thousand, eight hundred thirteen".