212100211000112 has 20 divisors (see below), whose sum is σ = 412185681961416. Its totient is φ = 105729712429440.

The previous prime is 212100211000109. The next prime is 212100211000241. The reversal of 212100211000112 is 211000112001212.

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, 20024561453 + ... + 20024572044.

Almost surely, 2^{212100211000112} is an apocalyptic number.

It is an amenable number.

212100211000112 is a deficient number, since it is larger than the sum of its proper divisors (200085470961304).

212100211000112 is a wasteful number, since it uses less digits than its factorization.

212100211000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40049133836 (or 40049133830 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212100211000112 its reverse (211000112001212), we get a palindrome (423100323001324).

The spelling of 212100211000112 in words is "two hundred twelve trillion, one hundred billion, two hundred eleven million, one hundred twelve", and thus it is an aban number.