212012230 has 32 divisors (see below), whose sum is σ = 392273280. Its totient is φ = 82452480.

The previous prime is 212012209. The next prime is 212012263. The reversal of 212012230 is 32210212.

It is a self number, because there is not a number n which added to its sum of digits gives 212012230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149766 + ... + 151174.

It is an arithmetic number, because the mean of its divisors is an integer number (12258540).

Almost surely, 2^212012230 is an apocalyptic number.

212012230 is a deficient number, since it is larger than the sum of its proper divisors (180261050).

212012230 is a wasteful number, since it uses less digits than its factorization.

212012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

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

The square root of 212012230 is about 14560.6397524285. The cubic root of 212012230 is about 596.2846616249.

Adding to 212012230 its reverse (32210212), we get a palindrome (244222442).

The spelling of 212012230 in words is "two hundred twelve million, twelve thousand, two hundred thirty".