122331321112 has 128 divisors (see below), whose sum is σ = 308650083840. Its totient is φ = 43897697280.

The previous prime is 122331321109. The next prime is 122331321113. The reversal of 122331321112 is 211123133221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122331321113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3642943 + ... + 3676369.

It is an arithmetic number, because the mean of its divisors is an integer number (2411328780).

Almost surely, 2^122331321112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122331321112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154325041920).

122331321112 is an abundant number, since it is smaller than the sum of its proper divisors (186318762728).

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

122331321112 is a wasteful number, since it uses less digits than its factorization.

122331321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33921 (or 33917 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 122331321112 its reverse (211123133221), we get a palindrome (333454454333).

The spelling of 122331321112 in words is "one hundred twenty-two billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred twelve".