2000001021012 has 36 divisors (see below), whose sum is σ = 5078228821120. Its totient is φ = 663677466192.

The previous prime is 2000001021001. The next prime is 2000001021017. The reversal of 2000001021012 is 2101201000002.

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

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 = 2000001020985 and 2000001021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000001021017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124556062 + ... + 124572117.

Almost surely, 2^{2000001021012} is an apocalyptic number.

It is an amenable number.

2000001021012 is an abundant number, since it is smaller than the sum of its proper divisors (3078227800108).

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

2000001021012 is a wasteful number, since it uses less digits than its factorization.

2000001021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249128412 (or 249128407 counting only the distinct ones).

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

Adding to 2000001021012 its reverse (2101201000002), we get a palindrome (4101202021014).

The spelling of 2000001021012 in words is "two trillion, one million, twenty-one thousand, twelve".