320343034012 has 24 divisors (see below), whose sum is σ = 574582618512. Its totient is φ = 156180777600.

The previous prime is 320343034009. The next prime is 320343034021. The reversal of 320343034012 is 210430343023.

It is a super-2 number, since 2×320343034012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219598 + ... + 830005.

It is an arithmetic number, because the mean of its divisors is an integer number (23940942438).

Almost surely, 2^320343034012 is an apocalyptic number.

It is an amenable number.

320343034012 is a deficient number, since it is larger than the sum of its proper divisors (254239584500).

320343034012 is a wasteful number, since it uses less digits than its factorization.

320343034012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051509 (or 1051507 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 320343034012 its reverse (210430343023), we get a palindrome (530773377035).

The spelling of 320343034012 in words is "three hundred twenty billion, three hundred forty-three million, thirty-four thousand, twelve".