212003312 has 20 divisors (see below), whose sum is σ = 411112080. Its totient is φ = 105909888.

The previous prime is 212003299. The next prime is 212003317. The reversal of 212003312 is 213300212.

It is a happy number.

212003312 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 not an unprimeable number, because it can be changed into a prime (212003317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15764 + ... + 25932.

It is an arithmetic number, because the mean of its divisors is an integer number (20555604).

Almost surely, 2^212003312 is an apocalyptic number.

It is an amenable number.

212003312 is a deficient number, since it is larger than the sum of its proper divisors (199108768).

212003312 is a wasteful number, since it uses less digits than its factorization.

212003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11480 (or 11474 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212003312 is about 14560.3335126638. Note that the first 3 decimals coincide. The cubic root of 212003312 is about 596.2763008790.

Adding to 212003312 its reverse (213300212), we get a palindrome (425303524).

The spelling of 212003312 in words is "two hundred twelve million, three thousand, three hundred twelve".