122200101320 has 128 divisors (see below), whose sum is σ = 316025193600. Its totient is φ = 42058598400.

The previous prime is 122200101307. The next prime is 122200101337. The reversal of 122200101320 is 23101002221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122200101295 and 122200101304.

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, 9866972 + ... + 9879348.

It is an arithmetic number, because the mean of its divisors is an integer number (2468946825).

Almost surely, 2^122200101320 is an apocalyptic number.

122200101320 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 122200101320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158012596800).

122200101320 is an abundant number, since it is smaller than the sum of its proper divisors (193825092280).

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

122200101320 is a wasteful number, since it uses less digits than its factorization.

122200101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13599 (or 13595 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 122200101320 its reverse (23101002221), we get a palindrome (145301103541).

Subtracting from 122200101320 its reverse (23101002221), we obtain a palindrome (99099099099).

The spelling of 122200101320 in words is "one hundred twenty-two billion, two hundred million, one hundred one thousand, three hundred twenty".