212001112 has 16 divisors (see below), whose sum is σ = 397665360. Its totient is φ = 105957024.

The previous prime is 212001109. The next prime is 212001149. The reversal of 212001112 is 211100212.

It is a congruent number.

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, 25813 + ... + 33019.

It is an arithmetic number, because the mean of its divisors is an integer number (24854085).

Almost surely, 2^212001112 is an apocalyptic number.

It is an amenable number.

212001112 is a deficient number, since it is larger than the sum of its proper divisors (185664248).

212001112 is a wasteful number, since it uses less digits than its factorization.

212001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10890 (or 10886 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 212001112 is about 14560.2579647477. The cubic root of 212001112 is about 596.2742383131.

Adding to 212001112 its reverse (211100212), we get a palindrome (423101324).

The spelling of 212001112 in words is "two hundred twelve million, one thousand, one hundred twelve".