122279774232 has 256 divisors, whose sum is σ = 406044057600. Its totient is φ = 29708052480.

The previous prime is 122279774189. The next prime is 122279774237. The reversal of 122279774232 is 232477972221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122279774237) 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, 5108869 + ... + 5132747.

It is an arithmetic number, because the mean of its divisors is an integer number (1586109600).

Almost surely, 2^122279774232 is an apocalyptic number.

122279774232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122279774232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203022028800).

122279774232 is an abundant number, since it is smaller than the sum of its proper divisors (283764283368).

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

122279774232 is a wasteful number, since it uses less digits than its factorization.

122279774232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24086 (or 24082 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The spelling of 122279774232 in words is "one hundred twenty-two billion, two hundred seventy-nine million, seven hundred seventy-four thousand, two hundred thirty-two".