2001310321012 has 12 divisors (see below), whose sum is σ = 3615270257536. Its totient is φ = 968375961720.

The previous prime is 2001310320953. The next prime is 2001310321039. The reversal of 2001310321012 is 2101230131002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8069799558 + ... + 8069799805.

Almost surely, 2^{2001310321012} is an apocalyptic number.

It is an amenable number.

2001310321012 is a deficient number, since it is larger than the sum of its proper divisors (1613959936524).

2001310321012 is a wasteful number, since it uses less digits than its factorization.

2001310321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16139599398 (or 16139599396 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2001310321012 its reverse (2101230131002), we get a palindrome (4102540452014).

It can be divided in two parts, 2001 and 310321012, that added together give a palindrome (310323013).

The spelling of 2001310321012 in words is "two trillion, one billion, three hundred ten million, three hundred twenty-one thousand, twelve".