212202221011112 has 16 divisors (see below), whose sum is σ = 397882105211700. Its totient is φ = 106100326288000.

The previous prime is 212202221011051. The next prime is 212202221011163. The reversal of 212202221011112 is 211110122202212.

It can be written as a sum of positive squares in 2 ways, for example, as 209147535020356 + 3054685990756 = 14461934^2 + 1747766^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96876389 + ... + 99042612.

Almost surely, 2^{212202221011112} is an apocalyptic number.

It is an amenable number.

212202221011112 is a deficient number, since it is larger than the sum of its proper divisors (185679884200588).

212202221011112 is a wasteful number, since it uses less digits than its factorization.

212202221011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196054396 (or 196054392 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212202221011112 its reverse (211110122202212), we get a palindrome (423312343213324).

The spelling of 212202221011112 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-one million, eleven thousand, one hundred twelve".