122222621320 has 128 divisors (see below), whose sum is σ = 294865920000. Its totient is φ = 45431857152.

The previous prime is 122222621267. The next prime is 122222621333. The reversal of 122222621320 is 23126222221.

122222621320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77404291 + ... + 77405869.

It is an arithmetic number, because the mean of its divisors is an integer number (2303640000).

Almost surely, 2^122222621320 is an apocalyptic number.

122222621320 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 122222621320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147432960000).

122222621320 is an abundant number, since it is smaller than the sum of its proper divisors (172643298680).

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

122222621320 is a wasteful number, since it uses less digits than its factorization.

122222621320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122222621320 its reverse (23126222221), we get a palindrome (145348843541).

The spelling of 122222621320 in words is "one hundred twenty-two billion, two hundred twenty-two million, six hundred twenty-one thousand, three hundred twenty".