212494785 has 8 divisors (see below), whose sum is σ = 339991680. Its totient is φ = 113330544.

The previous prime is 212494783. The next prime is 212494817. The reversal of 212494785 is 587494212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212494785 - 2¹ = 212494783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212494783) 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 7 ways as a sum of consecutive naturals, for example, 7083145 + ... + 7083174.

It is an arithmetic number, because the mean of its divisors is an integer number (42498960).

Almost surely, 2^212494785 is an apocalyptic number.

It is an amenable number.

212494785 is a deficient number, since it is larger than the sum of its proper divisors (127496895).

212494785 is a wasteful number, since it uses less digits than its factorization.

212494785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166327.

The product of its digits is 161280, while the sum is 42.

The square root of 212494785 is about 14577.2008629915. The cubic root of 212494785 is about 596.7367143435.

The spelling of 212494785 in words is "two hundred twelve million, four hundred ninety-four thousand, seven hundred eighty-five".