2001320304012 has 36 divisors (see below), whose sum is σ = 5058938812200. Its totient is φ = 667100725632.

The previous prime is 2001320303959. The next prime is 2001320304041. The reversal of 2001320304012 is 2104030231002.

2001320304012 is a `hidden beast` number, since 200 + 1 + 32 + 0 + 30 + 401 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2001320304012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5715364 + ... + 6055412.

Almost surely, 2^{2001320304012} is an apocalyptic number.

It is an amenable number.

2001320304012 is an abundant number, since it is smaller than the sum of its proper divisors (3057618508188).

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

2001320304012 is a wasteful number, since it uses less digits than its factorization.

2001320304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503542 (or 503537 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2001320304012 its reverse (2104030231002), we get a palindrome (4105350535014).

The spelling of 2001320304012 in words is "two trillion, one billion, three hundred twenty million, three hundred four thousand, twelve".