323312120311012 has 96 divisors (see below), whose sum is σ = 671091251281920. Its totient is φ = 133350973176960.

The previous prime is 323312120310997. The next prime is 323312120311027. The reversal of 323312120311012 is 210113021213323.

It is an interprime number because it is at equal distance from previous prime (323312120310997) and next prime (323312120311027).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379994623 + ... + 380844505.

It is an arithmetic number, because the mean of its divisors is an integer number (6990533867520).

Almost surely, 2^{323312120311012} 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 323312120311012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335545625640960).

323312120311012 is an abundant number, since it is smaller than the sum of its proper divisors (347779130970908).

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

323312120311012 is a wasteful number, since it uses less digits than its factorization.

323312120311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851441 (or 851439 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 323312120311012 its reverse (210113021213323), we get a palindrome (533425141524335).

The spelling of 323312120311012 in words is "three hundred twenty-three trillion, three hundred twelve billion, one hundred twenty million, three hundred eleven thousand, twelve".