2001013233312 has 96 divisors (see below), whose sum is σ = 5259289996800. Its totient is φ = 666163077120.

The previous prime is 2001013233301. The next prime is 2001013233347. The reversal of 2001013233312 is 2133323101002.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398367633 + ... + 398372655.

It is an arithmetic number, because the mean of its divisors is an integer number (54784270800).

Almost surely, 2^{2001013233312} is an apocalyptic number.

It is an amenable number.

2001013233312 is an abundant number, since it is smaller than the sum of its proper divisors (3258276763488).

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

2001013233312 is a wasteful number, since it uses less digits than its factorization.

2001013233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9446 (or 9438 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2001013233312 its reverse (2133323101002), we get a palindrome (4134336334314).

The spelling of 2001013233312 in words is "two trillion, one billion, thirteen million, two hundred thirty-three thousand, three hundred twelve".