210023212 has 36 divisors (see below), whose sum is σ = 446145840. Its totient is φ = 86094624.

The previous prime is 210023201. The next prime is 210023221. The reversal of 210023212 is 212320012.

It is a junction number, because it is equal to n+sod(n) for n = 210023192 and 210023201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18787 + ... + 27802.

It is an arithmetic number, because the mean of its divisors is an integer number (12392940).

Almost surely, 2^210023212 is an apocalyptic number.

It is an amenable number.

210023212 is an abundant number, since it is smaller than the sum of its proper divisors (236122628).

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

210023212 is a wasteful number, since it uses less digits than its factorization.

210023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46630 (or 46621 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 210023212 is about 14492.1776141476. The cubic root of 210023212 is about 594.4140945197.

Adding to 210023212 its reverse (212320012), we get a palindrome (422343224).

The spelling of 210023212 in words is "two hundred ten million, twenty-three thousand, two hundred twelve".