202112122200 has 96 divisors (see below), whose sum is σ = 626735250960. Its totient is φ = 53880422400.

The previous prime is 202112122189. The next prime is 202112122217. The reversal of 202112122200 is 2221211202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202112122200.

It is a congruent number.

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, 2025480 + ... + 2122920.

Almost surely, 2^202112122200 is an apocalyptic number.

202112122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202112122200 is an abundant number, since it is smaller than the sum of its proper divisors (424623128760).

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

202112122200 is a wasteful number, since it uses less digits than its factorization.

202112122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100917 (or 100908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202112122200 its reverse (2221211202), we get a palindrome (204333333402).

The spelling of 202112122200 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred".