305214612 has 12 divisors (see below), whose sum is σ = 712167456. Its totient is φ = 101738200.

The previous prime is 305214599. The next prime is 305214629. The reversal of 305214612 is 216412503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12717264 + ... + 12717287.

It is an arithmetic number, because the mean of its divisors is an integer number (59347288).

Almost surely, 2^305214612 is an apocalyptic number.

It is an amenable number.

305214612 is an abundant number, since it is smaller than the sum of its proper divisors (406952844).

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

305214612 is a wasteful number, since it uses less digits than its factorization.

305214612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25434558 (or 25434556 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 305214612 is about 17470.3924397822. The cubic root of 305214612 is about 673.2893947954.

The spelling of 305214612 in words is "three hundred five million, two hundred fourteen thousand, six hundred twelve".