2012201211200 has 84 divisors (see below), whose sum is σ = 4952114426460. Its totient is φ = 804743639040.

The previous prime is 2012201211199. The next prime is 2012201211269. The reversal of 2012201211200 is 21121022102.

It can be written as a sum of positive squares in 6 ways, for example, as 376298818624 + 1635902392576 = 613432^2 + 1279024^2 .

It is a congruent number.

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, 9580916 + ... + 9788684.

Almost surely, 2^{2012201211200} is an apocalyptic number.

2012201211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012201211200 is an abundant number, since it is smaller than the sum of its proper divisors (2939913215260).

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

2012201211200 is a wasteful number, since it uses less digits than its factorization.

2012201211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213844 (or 213829 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012201211200 its reverse (21121022102), we get a palindrome (2033322233302).

The spelling of 2012201211200 in words is "two trillion, twelve billion, two hundred one million, two hundred eleven thousand, two hundred".