212576216 has 32 divisors (see below), whose sum is σ = 412808400. Its totient is φ = 102560640.

The previous prime is 212576213. The next prime is 212576227. The reversal of 212576216 is 612675212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212576213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21755 + ... + 29973.

Almost surely, 2^212576216 is an apocalyptic number.

It is an amenable number.

212576216 is a deficient number, since it is larger than the sum of its proper divisors (200232184).

212576216 is a wasteful number, since it uses less digits than its factorization.

212576216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339 (or 8335 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 212576216 is about 14579.9936899849. The cubic root of 212576216 is about 596.8129305850.

The spelling of 212576216 in words is "two hundred twelve million, five hundred seventy-six thousand, two hundred sixteen".