212000216 has 16 divisors (see below), whose sum is σ = 404238600. Its totient is φ = 104203264.

The previous prime is 212000209. The next prime is 212000219. The reversal of 212000216 is 612000212.

It is a self number, because there is not a number n which added to its sum of digits gives 212000216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000219) 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, 224105 + ... + 225048.

Almost surely, 2^212000216 is an apocalyptic number.

It is an amenable number.

212000216 is a deficient number, since it is larger than the sum of its proper divisors (192238384).

212000216 is a wasteful number, since it uses less digits than its factorization.

212000216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449218 (or 449214 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212000216 is about 14560.2271960296. The cubic root of 212000216 is about 596.2733982822.

Adding to 212000216 its reverse (612000212), we get a palindrome (824000428).

The spelling of 212000216 in words is "two hundred twelve million, two hundred sixteen", and thus it is an aban number.