2012200222212 has 30 divisors (see below), whose sum is σ = 5260288853358. Its totient is φ = 670733407296.

The previous prime is 2012200222199. The next prime is 2012200222213. The reversal of 2012200222212 is 2122220022102.

2012200222212 is a `hidden beast` number, since 20 + 12 + 200 + 222 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1428158843136 + 584041379076 = 1195056^2 + 764226^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2012200222213) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3105246933 + ... + 3105247580.

Almost surely, 2^{2012200222212} is an apocalyptic number.

It is an amenable number.

2012200222212 is an abundant number, since it is smaller than the sum of its proper divisors (3248088631146).

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

2012200222212 is a wasteful number, since it uses less digits than its factorization.

2012200222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210494529 (or 6210494518 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2012200222212 its reverse (2122220022102), we get a palindrome (4134420244314).

The spelling of 2012200222212 in words is "two trillion, twelve billion, two hundred million, two hundred twenty-two thousand, two hundred twelve".