306085212 has 72 divisors (see below), whose sum is σ = 826716800. Its totient is φ = 95201568.

The previous prime is 306085207. The next prime is 306085217. The reversal of 306085212 is 212580603.

306085212 is a `hidden beast` number, since 3 + 0 + 608 + 52 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (306085207) and next prime (306085217).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306085217) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42489 + ... + 49167.

Almost surely, 2^306085212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306085212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413358400).

306085212 is an abundant number, since it is smaller than the sum of its proper divisors (520631588).

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

306085212 is a wasteful number, since it uses less digits than its factorization.

306085212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775 (or 6770 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 306085212 is about 17495.2911379034. The cubic root of 306085212 is about 673.9289549338.

The spelling of 306085212 in words is "three hundred six million, eighty-five thousand, two hundred twelve".