212100002211112 has 64 divisors (see below), whose sum is σ = 404223615596160. Its totient is φ = 104314989312000.

The previous prime is 212100002211103. The next prime is 212100002211127. The reversal of 212100002211112 is 211112200001212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171532037 + ... + 1171713067.

It is an arithmetic number, because the mean of its divisors is an integer number (6315993993690).

Almost surely, 2^{212100002211112} is an apocalyptic number.

It is an amenable number.

212100002211112 is a deficient number, since it is larger than the sum of its proper divisors (192123613385048).

212100002211112 is a wasteful number, since it uses less digits than its factorization.

212100002211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186514 (or 186510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212100002211112 its reverse (211112200001212), we get a palindrome (423212202212324).

The spelling of 212100002211112 in words is "two hundred twelve trillion, one hundred billion, two million, two hundred eleven thousand, one hundred twelve".