122001100200 has 144 divisors (see below), whose sum is σ = 468251890080. Its totient is φ = 27885962880.

The previous prime is 122001100099. The next prime is 122001100237. The reversal of 122001100200 is 2001100221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4828714 + ... + 4853913.

Almost surely, 2^122001100200 is an apocalyptic number.

122001100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001100200 is an abundant number, since it is smaller than the sum of its proper divisors (346250789880).

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

122001100200 is a wasteful number, since it uses less digits than its factorization.

122001100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682656 (or 9682644 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 122001100200 its reverse (2001100221), we get a palindrome (124002200421).

The spelling of 122001100200 in words is "one hundred twenty-two billion, one million, one hundred thousand, two hundred".