213212230 has 64 divisors (see below), whose sum is σ = 488332800. Its totient is φ = 66444000.

The previous prime is 213212179. The next prime is 213212261. The reversal of 213212230 is 32212312.

213212230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34905 + ... + 40555.

It is an arithmetic number, because the mean of its divisors is an integer number (7630200).

Almost surely, 2^213212230 is an apocalyptic number.

213212230 is an abundant number, since it is smaller than the sum of its proper divisors (275120570).

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

213212230 is a wasteful number, since it uses less digits than its factorization.

213212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690 (or 5676 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213212230 is about 14601.7885890736. The cubic root of 213212230 is about 597.4075462536.

Adding to 213212230 its reverse (32212312), we get a palindrome (245424542).

The spelling of 213212230 in words is "two hundred thirteen million, two hundred twelve thousand, two hundred thirty".