212063812 has 24 divisors (see below), whose sum is σ = 386176896. Its totient is φ = 101813088.

The previous prime is 212063809. The next prime is 212063827. The reversal of 212063812 is 218360212.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 678 + ... + 20605.

It is an arithmetic number, because the mean of its divisors is an integer number (16090704).

Almost surely, 2^212063812 is an apocalyptic number.

It is an amenable number.

212063812 is a deficient number, since it is larger than the sum of its proper divisors (174113084).

212063812 is a wasteful number, since it uses less digits than its factorization.

212063812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21387 (or 21385 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 212063812 is about 14562.4109267662. The cubic root of 212063812 is about 596.3330158501. Note that the first 3 decimals are identical.

The spelling of 212063812 in words is "two hundred twelve million, sixty-three thousand, eight hundred twelve".