306650012 has 12 divisors (see below), whose sum is σ = 568204560. Its totient is φ = 144305856.

The previous prime is 306650011. The next prime is 306650023. The reversal of 306650012 is 210056603.

It is a self number, because there is not a number n which added to its sum of digits gives 306650012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306650011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254712 + ... + 2254847.

It is an arithmetic number, because the mean of its divisors is an integer number (47350380).

Almost surely, 2^306650012 is an apocalyptic number.

It is an amenable number.

306650012 is a deficient number, since it is larger than the sum of its proper divisors (261554548).

306650012 is a wasteful number, since it uses less digits than its factorization.

306650012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509580 (or 4509578 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 306650012 is about 17511.4251847187. The cubic root of 306650012 is about 674.3432199574.

The spelling of 306650012 in words is "three hundred six million, six hundred fifty thousand, twelve".