202121200012200 has 384 divisors, whose sum is σ = 761319258163200. Its totient is φ = 43356689925120.

The previous prime is 202121200012181. The next prime is 202121200012217. The reversal of 202121200012200 is 2210002121202.

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 202121200012200.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14619370 + ... + 24858969.

It is an arithmetic number, because the mean of its divisors is an integer number (1982602234800).

Almost surely, 2^{202121200012200} is an apocalyptic number.

202121200012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202121200012200 is an abundant number, since it is smaller than the sum of its proper divisors (559198058151000).

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

202121200012200 is a wasteful number, since it uses less digits than its factorization.

202121200012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39478441 (or 39478432 counting only the distinct ones).

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

Adding to 202121200012200 its reverse (2210002121202), we get a palindrome (204331202133402).

The spelling of 202121200012200 in words is "two hundred two trillion, one hundred twenty-one billion, two hundred million, twelve thousand, two hundred".