122440630338 has 96 divisors (see below), whose sum is σ = 300866529600. Its totient is φ = 35675157888.

The previous prime is 122440630237. The next prime is 122440630379. The reversal of 122440630338 is 833036044221.

122440630338 is a `hidden beast` number, since 1 + 224 + 40 + 63 + 0 + 338 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12928681 + ... + 12938147.

It is an arithmetic number, because the mean of its divisors is an integer number (3134026350).

Almost surely, 2^122440630338 is an apocalyptic number.

122440630338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122440630338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150433264800).

122440630338 is an abundant number, since it is smaller than the sum of its proper divisors (178425899262).

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

122440630338 is a wasteful number, since it uses less digits than its factorization.

122440630338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12416 (or 12413 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 122440630338 its reverse (833036044221), we get a palindrome (955476674559).

The spelling of 122440630338 in words is "one hundred twenty-two billion, four hundred forty million, six hundred thirty thousand, three hundred thirty-eight".