212071768 has 16 divisors (see below), whose sum is σ = 418563000. Its totient is φ = 100454976.

The previous prime is 212071763. The next prime is 212071771. The reversal of 212071768 is 867170212.

It is a happy number.

212071768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212071763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697453 + ... + 697756.

Almost surely, 2^212071768 is an apocalyptic number.

It is an amenable number.

212071768 is a deficient number, since it is larger than the sum of its proper divisors (206491232).

212071768 is a wasteful number, since it uses less digits than its factorization.

212071768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395234 (or 1395230 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 212071768 is about 14562.6840932570. The cubic root of 212071768 is about 596.3404733006.

The spelling of 212071768 in words is "two hundred twelve million, seventy-one thousand, seven hundred sixty-eight".