320310012012 has 24 divisors (see below), whose sum is σ = 773162098800. Its totient is φ = 103088279616.

The previous prime is 320310012007. The next prime is 320310012017. The reversal of 320310012012 is 210210013023.

It is an interprime number because it is at equal distance from previous prime (320310012007) and next prime (320310012017).

It is a junction number, because it is equal to n+sod(n) for n = 320310011982 and 320310012000.

It is not an unprimeable number, because it can be changed into a prime (320310012017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460215187 + ... + 460215882.

It is an arithmetic number, because the mean of its divisors is an integer number (32215087450).

Almost surely, 2^320310012012 is an apocalyptic number.

It is an amenable number.

320310012012 is an abundant number, since it is smaller than the sum of its proper divisors (452852086788).

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

320310012012 is a wasteful number, since it uses less digits than its factorization.

320310012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920431105 (or 920431103 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 320310012012 its reverse (210210013023), we get a palindrome (530520025035).

The spelling of 320310012012 in words is "three hundred twenty billion, three hundred ten million, twelve thousand, twelve".