122222321320 has 64 divisors (see below), whose sum is σ = 300039992640. Its totient is φ = 44438592000.

The previous prime is 122222321303. The next prime is 122222321323. The reversal of 122222321320 is 23123222221.

122222321320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 122222321291 and 122222321300.

It is not an unprimeable number, because it can be changed into a prime (122222321323) 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 15 ways as a sum of consecutive naturals, for example, 4651339 + ... + 4677541.

It is an arithmetic number, because the mean of its divisors is an integer number (4688124885).

Almost surely, 2^122222321320 is an apocalyptic number.

122222321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222321320 is an abundant number, since it is smaller than the sum of its proper divisors (177817671320).

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

122222321320 is a wasteful number, since it uses less digits than its factorization.

122222321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36826 (or 36822 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 122222321320 its reverse (23123222221), we get a palindrome (145345543541).

Subtracting from 122222321320 its reverse (23123222221), we obtain a palindrome (99099099099).

The spelling of 122222321320 in words is "one hundred twenty-two billion, two hundred twenty-two million, three hundred twenty-one thousand, three hundred twenty".