122512232431 has 16 divisors (see below), whose sum is σ = 127042364160. Its totient is φ = 118002850560.

The previous prime is 122512232399. The next prime is 122512232459. The reversal of 122512232431 is 134232215221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122512232431 - 2⁵ = 122512232399 is a prime.

It is a super-2 number, since 2×122512232431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122512232431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122512232131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25357186 + ... + 25362016.

It is an arithmetic number, because the mean of its divisors is an integer number (7940147760).

Almost surely, 2^122512232431 is an apocalyptic number.

122512232431 is a deficient number, since it is larger than the sum of its proper divisors (4530131729).

122512232431 is a wasteful number, since it uses less digits than its factorization.

122512232431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786.

The product of its digits is 5760, while the sum is 28.

Adding to 122512232431 its reverse (134232215221), we get a palindrome (256744447652).

The spelling of 122512232431 in words is "one hundred twenty-two billion, five hundred twelve million, two hundred thirty-two thousand, four hundred thirty-one".