122243332320 has 144 divisors (see below), whose sum is σ = 417271956192. Its totient is φ = 32589112320.

The previous prime is 122243332291. The next prime is 122243332327. The reversal of 122243332320 is 23233342221.

122243332320 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 4 + 3 + 332 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122243332327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6313374 + ... + 6332706.

It is an arithmetic number, because the mean of its divisors is an integer number (2897721918).

Almost surely, 2^122243332320 is an apocalyptic number.

122243332320 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 122243332320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208635978096).

122243332320 is an abundant number, since it is smaller than the sum of its proper divisors (295028623872).

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

122243332320 is a wasteful number, since it uses less digits than its factorization.

122243332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23745 (or 23734 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 122243332320 its reverse (23233342221), we get a palindrome (145476674541).

Subtracting from 122243332320 its reverse (23233342221), we obtain a palindrome (99009990099).

The spelling of 122243332320 in words is "one hundred twenty-two billion, two hundred forty-three million, three hundred thirty-two thousand, three hundred twenty".