2212212100212 has 36 divisors (see below), whose sum is σ = 5772367060096. Its totient is φ = 713616806160.

The previous prime is 2212212100207. The next prime is 2212212100289. The reversal of 2212212100212 is 2120012122122.

It is a happy number.

2212212100212 is a `hidden beast` number, since 2 + 21 + 221 + 210 + 0 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 991133338 + ... + 991135569.

Almost surely, 2^{2212212100212} is an apocalyptic number.

It is an amenable number.

2212212100212 is an abundant number, since it is smaller than the sum of its proper divisors (3560154959884).

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

2212212100212 is a wasteful number, since it uses less digits than its factorization.

2212212100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982268948 (or 1982268943 counting only the distinct ones).

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

Adding to 2212212100212 its reverse (2120012122122), we get a palindrome (4332224222334).

The spelling of 2212212100212 in words is "two trillion, two hundred twelve billion, two hundred twelve million, one hundred thousand, two hundred twelve".