201002212221200 has 60 divisors (see below), whose sum is σ = 520054569864228. Its totient is φ = 74216201433600.

The previous prime is 201002212221137. The next prime is 201002212221233. The reversal of 201002212221200 is 2122212200102.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 61525072939264 + 139477139281936 = 7843792^2 + 11810044^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19327130591 + ... + 19327140990.

Almost surely, 2^{201002212221200} is an apocalyptic number.

201002212221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002212221200 is an abundant number, since it is smaller than the sum of its proper divisors (319052357643028).

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

201002212221200 is a wasteful number, since it uses less digits than its factorization.

201002212221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38654271612 (or 38654271601 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201002212221200 its reverse (2122212200102), we get a palindrome (203124424421302).

The spelling of 201002212221200 in words is "two hundred one trillion, two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred".