212748814 has 16 divisors (see below), whose sum is σ = 347504400. Its totient is φ = 97300224.

The previous prime is 212748803. The next prime is 212748857. The reversal of 212748814 is 418847212.

It is a happy number.

It is a congruent number.

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, 95427 + ... + 97630.

It is an arithmetic number, because the mean of its divisors is an integer number (21719025).

Almost surely, 2^212748814 is an apocalyptic number.

212748814 is a deficient number, since it is larger than the sum of its proper divisors (134755586).

212748814 is a wasteful number, since it uses less digits than its factorization.

212748814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193107.

The product of its digits is 28672, while the sum is 37.

The square root of 212748814 is about 14585.9114902018. The cubic root of 212748814 is about 596.9744112591.

The spelling of 212748814 in words is "two hundred twelve million, seven hundred forty-eight thousand, eight hundred fourteen".