212039112 has 16 divisors (see below), whose sum is σ = 530097840. Its totient is φ = 70679696.

The previous prime is 212039099. The next prime is 212039129. The reversal of 212039112 is 211930212.

212039112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4417458 + ... + 4417505.

It is an arithmetic number, because the mean of its divisors is an integer number (33131115).

Almost surely, 2^212039112 is an apocalyptic number.

It is an amenable number.

212039112 is an abundant number, since it is smaller than the sum of its proper divisors (318058728).

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

212039112 is a wasteful number, since it uses less digits than its factorization.

212039112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834972 (or 8834968 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 212039112 is about 14561.5628282132. The cubic root of 212039112 is about 596.3098624460.

Adding to 212039112 its reverse (211930212), we get a palindrome (423969324).

Subtracting from 212039112 its reverse (211930212), we obtain a square (108900 = 330²).

The spelling of 212039112 in words is "two hundred twelve million, thirty-nine thousand, one hundred twelve".