212032230 has 32 divisors (see below), whose sum is σ = 510213600. Its totient is φ = 56393472.

The previous prime is 212032213. The next prime is 212032231. The reversal of 212032230 is 32230212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212032231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586 + ... + 20754.

It is an arithmetic number, because the mean of its divisors is an integer number (15944175).

Almost surely, 2^212032230 is an apocalyptic number.

212032230 is an abundant number, since it is smaller than the sum of its proper divisors (298181370).

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

212032230 is a wasteful number, since it uses less digits than its factorization.

212032230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212032230 is about 14561.3265192427. The cubic root of 212032230 is about 596.3034110437.

Adding to 212032230 its reverse (32230212), we get a palindrome (244262442).

The spelling of 212032230 in words is "two hundred twelve million, thirty-two thousand, two hundred thirty".