320755012 has 12 divisors (see below), whose sum is σ = 562887360. Its totient is φ = 159930056.

The previous prime is 320754991. The next prime is 320755073. The reversal of 320755012 is 210557023.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110248 + ... + 113119.

It is an arithmetic number, because the mean of its divisors is an integer number (46907280).

Almost surely, 2^320755012 is an apocalyptic number.

It is an amenable number.

320755012 is a deficient number, since it is larger than the sum of its proper divisors (242132348).

320755012 is a wasteful number, since it uses less digits than its factorization.

320755012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223730 (or 223728 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 320755012 is about 17909.6346138049. The cubic root of 320755012 is about 684.5278946345.

The spelling of 320755012 in words is "three hundred twenty million, seven hundred fifty-five thousand, twelve".