200521421200 has 30 divisors (see below), whose sum is σ = 481752715394. Its totient is φ = 80208568320.

The previous prime is 200521421167. The next prime is 200521421273. The reversal of 200521421200 is 2124125002.

200521421200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1377003664 + 199144417536 = 37108^2 + 446256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250651377 + ... + 250652176.

Almost surely, 2^200521421200 is an apocalyptic number.

200521421200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200521421200 is an abundant number, since it is smaller than the sum of its proper divisors (281231294194).

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

200521421200 is a wasteful number, since it uses less digits than its factorization.

200521421200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501303571 (or 501303560 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 200521421200 its reverse (2124125002), we get a palindrome (202645546202).

The spelling of 200521421200 in words is "two hundred billion, five hundred twenty-one million, four hundred twenty-one thousand, two hundred".