320301012 has 72 divisors (see below), whose sum is σ = 835875040. Its totient is φ = 95178240.

The previous prime is 320301001. The next prime is 320301017. The reversal of 320301012 is 210103023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320301017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63462 + ... + 68322.

Almost surely, 2^320301012 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 320301012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417937520).

320301012 is an abundant number, since it is smaller than the sum of its proper divisors (515574028).

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

320301012 is a wasteful number, since it uses less digits than its factorization.

320301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921 (or 4902 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320301012 is about 17896.9553835282. The cubic root of 320301012 is about 684.2047794916.

Adding to 320301012 its reverse (210103023), we get a palindrome (530404035).

The spelling of 320301012 in words is "three hundred twenty million, three hundred one thousand, twelve".