306213450640612 has 48 divisors (see below), whose sum is σ = 582138371368512. Its totient is φ = 140367161041920.

The previous prime is 306213450640577. The next prime is 306213450640627. The reversal of 306213450640612 is 216046054312603.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83613738 + ... + 87199105.

It is an arithmetic number, because the mean of its divisors is an integer number (12127882736844).

Almost surely, 2^{306213450640612} is an apocalyptic number.

It is an amenable number.

306213450640612 is a deficient number, since it is larger than the sum of its proper divisors (275924920727900).

306213450640612 is a wasteful number, since it uses less digits than its factorization.

306213450640612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170813548 (or 170813546 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 306213450640612 in words is "three hundred six trillion, two hundred thirteen billion, four hundred fifty million, six hundred forty thousand, six hundred twelve".