210312112 has 20 divisors (see below), whose sum is σ = 409761720. Its totient is φ = 104567168.

The previous prime is 210312101. The next prime is 210312131. The reversal of 210312112 is 211213012.

It is a junction number, because it is equal to n+sod(n) for n = 210312092 and 210312101.

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, 33853 + ... + 39580.

It is an arithmetic number, because the mean of its divisors is an integer number (20488086).

Almost surely, 2^210312112 is an apocalyptic number.

It is an amenable number.

210312112 is a deficient number, since it is larger than the sum of its proper divisors (199449608).

210312112 is a wasteful number, since it uses less digits than its factorization.

210312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73620 (or 73614 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 210312112 is about 14502.1416349448. The cubic root of 210312112 is about 594.6865208392.

Adding to 210312112 its reverse (211213012), we get a palindrome (421525124).

The spelling of 210312112 in words is "two hundred ten million, three hundred twelve thousand, one hundred twelve".