122238134499 has 24 divisors (see below), whose sum is σ = 182178941952. Its totient is φ = 72796894560.

The previous prime is 122238134497. The next prime is 122238134549. The reversal of 122238134499 is 994431832221.

It is not a de Polignac number, because 122238134499 - 2¹ = 122238134497 is a prime.

It is a super-2 number, since 2×122238134499² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122238134497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3873007 + ... + 3904440.

It is an arithmetic number, because the mean of its divisors is an integer number (7590789248).

Almost surely, 2^122238134499 is an apocalyptic number.

122238134499 is a deficient number, since it is larger than the sum of its proper divisors (59940807453).

122238134499 is a wasteful number, since it uses less digits than its factorization.

122238134499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777507 (or 7777494 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The spelling of 122238134499 in words is "one hundred twenty-two billion, two hundred thirty-eight million, one hundred thirty-four thousand, four hundred ninety-nine".