212802812 has 24 divisors (see below), whose sum is σ = 405526800. Its totient is φ = 97324416.

The previous prime is 212802809. The next prime is 212802871. The reversal of 212802812 is 218208212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46073 + ... + 50480.

It is an arithmetic number, because the mean of its divisors is an integer number (16896950).

Almost surely, 2^212802812 is an apocalyptic number.

It is an amenable number.

212802812 is a deficient number, since it is larger than the sum of its proper divisors (192723988).

212802812 is a wasteful number, since it uses less digits than its factorization.

212802812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96605 (or 96603 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 212802812 is about 14587.7624055233. The cubic root of 212802812 is about 597.0249132208.

The spelling of 212802812 in words is "two hundred twelve million, eight hundred two thousand, eight hundred twelve".