2001331330312 has 16 divisors (see below), whose sum is σ = 3752512545600. Its totient is φ = 1000661318160.

The previous prime is 2001331330289. The next prime is 2001331330343. The reversal of 2001331330312 is 2130331331002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2270389 + ... + 3026107.

It is an arithmetic number, because the mean of its divisors is an integer number (234532034100).

Almost surely, 2^{2001331330312} is an apocalyptic number.

It is an amenable number.

2001331330312 is a deficient number, since it is larger than the sum of its proper divisors (1751181215288).

2001331330312 is a wasteful number, since it uses less digits than its factorization.

2001331330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086756 (or 1086752 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 2001331330312 its reverse (2130331331002), we get a palindrome (4131662661314).

The spelling of 2001331330312 in words is "two trillion, one billion, three hundred thirty-one million, three hundred thirty thousand, three hundred twelve".