122200312431 has 8 divisors (see below), whose sum is σ = 165228591744. Its totient is φ = 80319454040.

The previous prime is 122200312427. The next prime is 122200312457. The reversal of 122200312431 is 134213002221.

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

It is a cyclic number.

It is not a de Polignac number, because 122200312431 - 2² = 122200312427 is a prime.

It is a super-2 number, since 2×122200312431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122200312398 and 122200312407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200312231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286854981 + ... + 286855406.

It is an arithmetic number, because the mean of its divisors is an integer number (20653573968).

Almost surely, 2^122200312431 is an apocalyptic number.

122200312431 is a deficient number, since it is larger than the sum of its proper divisors (43028279313).

122200312431 is an equidigital number, since it uses as much as digits as its factorization.

122200312431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573710461.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122200312431 its reverse (134213002221), we get a palindrome (256413314652).

The spelling of 122200312431 in words is "one hundred twenty-two billion, two hundred million, three hundred twelve thousand, four hundred thirty-one".