122200323231000 has 128 divisors (see below), whose sum is σ = 435731438338560. Its totient is φ = 27931502448000.

The previous prime is 122200323230989. The next prime is 122200323231073. The reversal of 122200323231000 is 132323002221.

It is a happy number.

It is a super-2 number, since 2×122200323231000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2909510506 + ... + 2909552505.

It is an arithmetic number, because the mean of its divisors is an integer number (3404151862020).

Almost surely, 2^{122200323231000} is an apocalyptic number.

122200323231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200323231000 is an abundant number, since it is smaller than the sum of its proper divisors (313531115107560).

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

122200323231000 is a wasteful number, since it uses less digits than its factorization.

122200323231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819063042 (or 5819063028 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 122200323231000 its reverse (132323002221), we get a palindrome (122332646233221).

The spelling of 122200323231000 in words is "one hundred twenty-two trillion, two hundred billion, three hundred twenty-three million, two hundred thirty-one thousand".