122531413422 has 128 divisors (see below), whose sum is σ = 278507040768. Its totient is φ = 35614656000.

The previous prime is 122531413399. The next prime is 122531413429. The reversal of 122531413422 is 224314135221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122531413422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122531413429) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76247743 + ... + 76249349.

It is an arithmetic number, because the mean of its divisors is an integer number (2175836256).

Almost surely, 2^122531413422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122531413422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139253520384).

122531413422 is an abundant number, since it is smaller than the sum of its proper divisors (155975627346).

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

122531413422 is a wasteful number, since it uses less digits than its factorization.

122531413422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134.

The product of its digits is 11520, while the sum is 30.

Adding to 122531413422 its reverse (224314135221), we get a palindrome (346845548643).

The spelling of 122531413422 in words is "one hundred twenty-two billion, five hundred thirty-one million, four hundred thirteen thousand, four hundred twenty-two".