212141716 has 24 divisors (see below), whose sum is σ = 376367040. Its totient is φ = 104616192.

The previous prime is 212141701. The next prime is 212141737. The reversal of 212141716 is 617141212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138531 + ... + 140053.

It is an arithmetic number, because the mean of its divisors is an integer number (15681960).

Almost surely, 2^212141716 is an apocalyptic number.

It is an amenable number.

212141716 is a deficient number, since it is larger than the sum of its proper divisors (164225324).

212141716 is a wasteful number, since it uses less digits than its factorization.

212141716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 212141716 is about 14565.0855129656. The cubic root of 212141716 is about 596.4060300987.

Adding to 212141716 its reverse (617141212), we get a palindrome (829282928).

The spelling of 212141716 in words is "two hundred twelve million, one hundred forty-one thousand, seven hundred sixteen".