122120220200 has 96 divisors (see below), whose sum is σ = 309846150720. Its totient is φ = 44392320000.

The previous prime is 122120220197. The next prime is 122120220221. The reversal of 122120220200 is 2022021221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8068640 + ... + 8083760.

It is an arithmetic number, because the mean of its divisors is an integer number (3227564070).

Almost surely, 2^122120220200 is an apocalyptic number.

122120220200 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 122120220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154923075360).

122120220200 is an abundant number, since it is smaller than the sum of its proper divisors (187725930520).

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

122120220200 is a wasteful number, since it uses less digits than its factorization.

122120220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18819 (or 18810 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122120220200 its reverse (2022021221), we get a palindrome (124142241421).

It can be divided in two parts, 12 and 2120220200, that added together give a palindrome (2120220212).

The spelling of 122120220200 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred twenty thousand, two hundred".