320231206544612 has 12 divisors (see below), whose sum is σ = 611350485221616. Its totient is φ = 145559639338440.

The previous prime is 320231206544611. The next prime is 320231206544621. The reversal of 320231206544612 is 216445602132023.

It is a self number, because there is not a number n which added to its sum of digits gives 320231206544612.

It is not an unprimeable number, because it can be changed into a prime (320231206544611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3638990983418 + ... + 3638990983505.

It is an arithmetic number, because the mean of its divisors is an integer number (50945873768468).

Almost surely, 2^{320231206544612} is an apocalyptic number.

It is an amenable number.

320231206544612 is a deficient number, since it is larger than the sum of its proper divisors (291119278677004).

320231206544612 is a wasteful number, since it uses less digits than its factorization.

320231206544612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277981966938 (or 7277981966936 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 320231206544612 its reverse (216445602132023), we get a palindrome (536676808676635).

The spelling of 320231206544612 in words is "three hundred twenty trillion, two hundred thirty-one billion, two hundred six million, five hundred forty-four thousand, six hundred twelve".