122331213320 has 64 divisors (see below), whose sum is σ = 280172934720. Its totient is φ = 48063272704.

The previous prime is 122331213307. The next prime is 122331213337. The reversal of 122331213320 is 23312133221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467867 + ... + 680853.

It is an arithmetic number, because the mean of its divisors is an integer number (4377702105).

Almost surely, 2^122331213320 is an apocalyptic number.

122331213320 is a gapful number since it is divisible by the number (10) 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 122331213320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140086467360).

122331213320 is an abundant number, since it is smaller than the sum of its proper divisors (157841721400).

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

122331213320 is a wasteful number, since it uses less digits than its factorization.

122331213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213254 (or 213250 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 122331213320 its reverse (23312133221), we get a palindrome (145643346541).

The spelling of 122331213320 in words is "one hundred twenty-two billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred twenty".