122244520431 has 32 divisors (see below), whose sum is σ = 188325139968. Its totient is φ = 69708938240.

The previous prime is 122244520423. The next prime is 122244520441. The reversal of 122244520431 is 134025442221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122244520431 - 2³ = 122244520423 is a prime.

It is a super-2 number, since 2×122244520431² (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 (122244520441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1985350 + ... + 2045996.

It is an arithmetic number, because the mean of its divisors is an integer number (5885160624).

Almost surely, 2^122244520431 is an apocalyptic number.

122244520431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122244520431 is a deficient number, since it is larger than the sum of its proper divisors (66080619537).

122244520431 is a wasteful number, since it uses less digits than its factorization.

122244520431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64271.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 122244520431 its reverse (134025442221), we get a palindrome (256269962652).

The spelling of 122244520431 in words is "one hundred twenty-two billion, two hundred forty-four million, five hundred twenty thousand, four hundred thirty-one".