2012112222201 has 6 divisors (see below), whose sum is σ = 2906384320970. Its totient is φ = 1341408148128.

The previous prime is 2012112222167. The next prime is 2012112222217. The reversal of 2012112222201 is 1022222112102.

It is a happy number.

2012112222201 is a `hidden beast` number, since 201 + 21 + 1 + 222 + 220 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1183145675625 + 828966546576 = 1087725^2 + 910476^2 .

It is not a de Polignac number, because 2012112222201 - 2¹⁸ = 2012111960057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012112220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111784012336 + ... + 111784012353.

Almost surely, 2^{2012112222201} is an apocalyptic number.

It is an amenable number.

2012112222201 is a deficient number, since it is larger than the sum of its proper divisors (894272098769).

2012112222201 is a wasteful number, since it uses less digits than its factorization.

2012112222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223568024695 (or 223568024692 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2012112222201 its reverse (1022222112102), we get a palindrome (3034334334303).

The spelling of 2012112222201 in words is "two trillion, twelve billion, one hundred twelve million, two hundred twenty-two thousand, two hundred one".