212033312 has 24 divisors (see below), whose sum is σ = 439412400. Its totient is φ = 100436544.

The previous prime is 212033287. The next prime is 212033317. The reversal of 212033312 is 213330212.

It is not an unprimeable number, because it can be changed into a prime (212033317) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 173762 + ... + 174977.

It is an arithmetic number, because the mean of its divisors is an integer number (18308850).

Almost surely, 2^212033312 is an apocalyptic number.

It is an amenable number.

212033312 is an abundant number, since it is smaller than the sum of its proper divisors (227379088).

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

212033312 is a wasteful number, since it uses less digits than its factorization.

212033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348768 (or 348760 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 212033312 is about 14561.3636724038. The cubic root of 212033312 is about 596.3044253536.

Adding to 212033312 its reverse (213330212), we get a palindrome (425363524).

The spelling of 212033312 in words is "two hundred twelve million, thirty-three thousand, three hundred twelve".