212023232 has 14 divisors (see below), whose sum is σ = 420733728. Its totient is φ = 106011584.

The previous prime is 212023199. The next prime is 212023241. The reversal of 212023232 is 232320212.

It is a self number, because there is not a number n which added to its sum of digits gives 212023232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656368 + ... + 1656495.

Almost surely, 2^212023232 is an apocalyptic number.

It is an amenable number.

212023232 is a deficient number, since it is larger than the sum of its proper divisors (208710496).

212023232 is an equidigital number, since it uses as much as digits as its factorization.

212023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312875 (or 3312865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212023232 is about 14561.0175468612. The cubic root of 212023232 is about 596.2949758261.

Adding to 212023232 its reverse (232320212), we get a palindrome (444343444).

It can be divided in two parts, 2120 and 23232, that added together give a palindrome (25352).

The spelling of 212023232 in words is "two hundred twelve million, twenty-three thousand, two hundred thirty-two".