122200023231 has 48 divisors (see below), whose sum is σ = 207707179680. Its totient is φ = 68252405760.

The previous prime is 122200023193. The next prime is 122200023251. The reversal of 122200023231 is 132320002221.

It is not a de Polignac number, because 122200023231 - 2⁷ = 122200023103 is a prime.

It is a super-2 number, since 2×122200023231² (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 (122200023251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 717135 + ... + 871023.

It is an arithmetic number, because the mean of its divisors is an integer number (4327232910).

Almost surely, 2^122200023231 is an apocalyptic number.

122200023231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122200023231 is a deficient number, since it is larger than the sum of its proper divisors (85507156449).

122200023231 is a wasteful number, since it uses less digits than its factorization.

122200023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154536 (or 154533 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 122200023231 its reverse (132320002221), we get a palindrome (254520025452).

The spelling of 122200023231 in words is "one hundred twenty-two billion, two hundred million, twenty-three thousand, two hundred thirty-one".