201122001112212 has 60 divisors (see below), whose sum is σ = 525774672098676. Its totient is φ = 67040407762560.

The previous prime is 201122001112199. The next prime is 201122001112237. The reversal of 201122001112212 is 212211100221102.

201122001112212 is a `hidden beast` number, since 20 + 112 + 200 + 111 + 221 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 140962524999696 + 60159476112516 = 11872764^2 + 7756254^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 94449598 + ... + 96555530.

Almost surely, 2^{201122001112212} is an apocalyptic number.

It is an amenable number.

201122001112212 is an abundant number, since it is smaller than the sum of its proper divisors (324652670986464).

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

201122001112212 is a wasteful number, since it uses less digits than its factorization.

201122001112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400710 (or 2400699 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201122001112212 its reverse (212211100221102), we get a palindrome (413333101333314).

The spelling of 201122001112212 in words is "two hundred one trillion, one hundred twenty-two billion, one million, one hundred twelve thousand, two hundred twelve".