122938707798 has 32 divisors (see below), whose sum is σ = 289267549920. Its totient is φ = 38569006080.

The previous prime is 122938707791. The next prime is 122938707799. The reversal of 122938707798 is 897707839221.

It is a super-2 number, since 2×122938707798² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122938707791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66959163 + ... + 66960998.

It is an arithmetic number, because the mean of its divisors is an integer number (9039610935).

Almost surely, 2^122938707798 is an apocalyptic number.

122938707798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122938707798 is an abundant number, since it is smaller than the sum of its proper divisors (166328842122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122938707798 is a wasteful number, since it uses less digits than its factorization.

122938707798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133920189 (or 133920183 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 122938707798 in words is "one hundred twenty-two billion, nine hundred thirty-eight million, seven hundred seven thousand, seven hundred ninety-eight".