212860216 has 16 divisors (see below), whose sum is σ = 416466000. Its totient is φ = 101802624.

The previous prime is 212860199. The next prime is 212860267. The reversal of 212860216 is 612068212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578241 + ... + 578608.

It is an arithmetic number, because the mean of its divisors is an integer number (26029125).

Almost surely, 2^212860216 is an apocalyptic number.

It is an amenable number.

212860216 is a deficient number, since it is larger than the sum of its proper divisors (203605784).

212860216 is a wasteful number, since it uses less digits than its factorization.

212860216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156878 (or 1156874 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 212860216 is about 14589.7298124400. The cubic root of 212860216 is about 597.0785912975.

The spelling of 212860216 in words is "two hundred twelve million, eight hundred sixty thousand, two hundred sixteen".