122203113220000 has 120 divisors (see below), whose sum is σ = 300653141101236. Its totient is φ = 48878781696000.

The previous prime is 122203113219991. The next prime is 122203113220033. The reversal of 122203113220000 is 22311302221.

It can be written as a sum of positive squares in 10 ways, for example, as 3404187361936 + 118798925858064 = 1845044^2 + 10899492^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122203113220000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 426196684 + ... + 426483316.

Almost surely, 2^{122203113220000} is an apocalyptic number.

122203113220000 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 122203113220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150326570550618).

122203113220000 is an abundant number, since it is smaller than the sum of its proper divisors (178450027881236).

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

122203113220000 is an equidigital number, since it uses as much as digits as its factorization.

122203113220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307980 (or 307957 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122203113220000 its reverse (22311302221), we get a palindrome (122225424522221).

The spelling of 122203113220000 in words is "one hundred twenty-two trillion, two hundred three billion, one hundred thirteen million, two hundred twenty thousand".