122222100232320 has 384 divisors, whose sum is σ = 428773870163520. Its totient is φ = 29591225917440.

The previous prime is 122222100232289. The next prime is 122222100232327. The reversal of 122222100232320 is 23232001222221.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (122222100232327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179243067 + ... + 179923653.

Almost surely, 2^{122222100232320} is an apocalyptic number.

122222100232320 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 122222100232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214386935081760).

122222100232320 is an abundant number, since it is smaller than the sum of its proper divisors (306551769931200).

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

122222100232320 is a wasteful number, since it uses less digits than its factorization.

122222100232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681404 (or 681381 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 122222100232320 its reverse (23232001222221), we get a palindrome (145454101454541).

The spelling of 122222100232320 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred million, two hundred thirty-two thousand, three hundred twenty".