2001102000012 has 18 divisors (see below), whose sum is σ = 5058341166788. Its totient is φ = 667033999992.

The previous prime is 2001101999957. The next prime is 2001102000167. The reversal of 2001102000012 is 2100002011002.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2001101999958 and 2001102000003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27793083298 + ... + 27793083369.

Almost surely, 2^{2001102000012} is an apocalyptic number.

It is an amenable number.

2001102000012 is an abundant number, since it is smaller than the sum of its proper divisors (3057239166776).

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

2001102000012 is a wasteful number, since it uses less digits than its factorization.

2001102000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55586166677 (or 55586166672 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2001102000012 its reverse (2100002011002), we get a palindrome (4101104011014).

The spelling of 2001102000012 in words is "two trillion, one billion, one hundred two million, twelve", and thus it is an aban number.