212663216 has 10 divisors (see below), whose sum is σ = 412035012. Its totient is φ = 106331600.

The previous prime is 212663201. The next prime is 212663233. The reversal of 212663216 is 612366212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6645710 + ... + 6645741.

Almost surely, 2^212663216 is an apocalyptic number.

It is an amenable number.

212663216 is a deficient number, since it is larger than the sum of its proper divisors (199371796).

212663216 is a wasteful number, since it uses less digits than its factorization.

212663216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291459 (or 13291453 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 212663216 is about 14582.9769251686. The cubic root of 212663216 is about 596.8943376902.

The spelling of 212663216 in words is "two hundred twelve million, six hundred sixty-three thousand, two hundred sixteen".