212716466 has 16 divisors (see below), whose sum is σ = 333388224. Its totient is φ = 101599344.

The previous prime is 212716447. The next prime is 212716477. The reversal of 212716466 is 664617212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38000 + ... + 43236.

It is an arithmetic number, because the mean of its divisors is an integer number (20836764).

Almost surely, 2^212716466 is an apocalyptic number.

212716466 is a deficient number, since it is larger than the sum of its proper divisors (120671758).

212716466 is a wasteful number, since it uses less digits than its factorization.

212716466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145.

The product of its digits is 24192, while the sum is 35.

The square root of 212716466 is about 14584.8025697985. The cubic root of 212716466 is about 596.9441535000.

The spelling of 212716466 in words is "two hundred twelve million, seven hundred sixteen thousand, four hundred sixty-six".