122313123112 has 16 divisors (see below), whose sum is σ = 229343667840. Its totient is φ = 61154811696.

The previous prime is 122313123109. The next prime is 122313123113. The reversal of 122313123112 is 211321313221.

It is a super-2 number, since 2×122313123112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122313123113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106843 + ... + 506005.

It is an arithmetic number, because the mean of its divisors is an integer number (14333979240).

Almost surely, 2^122313123112 is an apocalyptic number.

It is an amenable number.

122313123112 is a deficient number, since it is larger than the sum of its proper divisors (107030544728).

122313123112 is a wasteful number, since it uses less digits than its factorization.

122313123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437472 (or 437468 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 122313123112 its reverse (211321313221), we get a palindrome (333634436333).

The spelling of 122313123112 in words is "one hundred twenty-two billion, three hundred thirteen million, one hundred twenty-three thousand, one hundred twelve".