212282756 has 12 divisors (see below), whose sum is σ = 424565568. Its totient is φ = 90978312.

The previous prime is 212282753. The next prime is 212282779. The reversal of 212282756 is 657282212.

212282756 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

212282756 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (212282753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3790736 + ... + 3790791.

It is an arithmetic number, because the mean of its divisors is an integer number (35380464).

Almost surely, 2^212282756 is an apocalyptic number.

It is an amenable number.

212282756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212282756 is a wasteful number, since it uses less digits than its factorization.

212282756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581538 (or 7581536 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 212282756 is about 14569.9264239735. The cubic root of 212282756 is about 596.5381720673.

The spelling of 212282756 in words is "two hundred twelve million, two hundred eighty-two thousand, seven hundred fifty-six".