201212011100200 has 96 divisors (see below), whose sum is σ = 468803753802360. Its totient is φ = 80315257651200.

The previous prime is 201212011100183. The next prime is 201212011100209. The reversal of 201212011100200 is 2001110212102.

It can be written as a sum of positive squares in 12 ways, for example, as 19666191576964 + 181545819523236 = 4434658^2 + 13473894^2 .

It is not an unprimeable number, because it can be changed into a prime (201212011100209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563856232 + ... + 564212968.

Almost surely, 2^{201212011100200} is an apocalyptic number.

201212011100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201212011100200 is an abundant number, since it is smaller than the sum of its proper divisors (267591742702160).

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

201212011100200 is a wasteful number, since it uses less digits than its factorization.

201212011100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362687 (or 362678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201212011100200 its reverse (2001110212102), we get a palindrome (203213121312302).

The spelling of 201212011100200 in words is "two hundred one trillion, two hundred twelve billion, eleven million, one hundred thousand, two hundred".