122200323231 has 8 divisors (see below), whose sum is σ = 186210016384. Its totient is φ = 69828756120.

The previous prime is 122200323211. The next prime is 122200323251. The reversal of 122200323231 is 132323002221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122200323211) and next prime (122200323251).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122200323231 - 2⁵ = 122200323199 is a prime.

It is a super-2 number, since 2×122200323231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5819063011 = 122200323231 / (1 + 2 + 2 + 2 + 0 + 0 + 3 + 2 + 3 + 2 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 122200323198 and 122200323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200323211) 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 7 ways as a sum of consecutive naturals, for example, 2909531485 + ... + 2909531526.

It is an arithmetic number, because the mean of its divisors is an integer number (23276252048).

Almost surely, 2^122200323231 is an apocalyptic number.

122200323231 is a deficient number, since it is larger than the sum of its proper divisors (64009693153).

122200323231 is an equidigital number, since it uses as much as digits as its factorization.

122200323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819063021.

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

Adding to 122200323231 its reverse (132323002221), we get a palindrome (254523325452).

The spelling of 122200323231 in words is "one hundred twenty-two billion, two hundred million, three hundred twenty-three thousand, two hundred thirty-one".