212716899 has 12 divisors (see below), whose sum is σ = 308147736. Its totient is φ = 141400512.

The previous prime is 212716873. The next prime is 212716919. The reversal of 212716899 is 998617212.

It is not a de Polignac number, because 212716899 - 2⁸ = 212716643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212716849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30934 + ... + 37179.

It is an arithmetic number, because the mean of its divisors is an integer number (25678978).

Almost surely, 2^212716899 is an apocalyptic number.

212716899 is a deficient number, since it is larger than the sum of its proper divisors (95430837).

212716899 is a wasteful number, since it uses less digits than its factorization.

212716899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68466 (or 68463 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 212716899 is about 14584.8174140097. The cubic root of 212716899 is about 596.9445585410.

The spelling of 212716899 in words is "two hundred twelve million, seven hundred sixteen thousand, eight hundred ninety-nine".