2321120310312 has 64 divisors (see below), whose sum is σ = 5816417932800. Its totient is φ = 771893258240.

The previous prime is 2321120310293. The next prime is 2321120310317. The reversal of 2321120310312 is 2130130211232.

It is not an unprimeable number, because it can be changed into a prime (2321120310317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17778889 + ... + 17908967.

It is an arithmetic number, because the mean of its divisors is an integer number (90881530200).

Almost surely, 2^{2321120310312} is an apocalyptic number.

It is an amenable number.

2321120310312 is an abundant number, since it is smaller than the sum of its proper divisors (3495297622488).

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

2321120310312 is a wasteful number, since it uses less digits than its factorization.

2321120310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131826 (or 131822 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2321120310312 its reverse (2130130211232), we get a palindrome (4451250521544).

The spelling of 2321120310312 in words is "two trillion, three hundred twenty-one billion, one hundred twenty million, three hundred ten thousand, three hundred twelve".