2021012001012 has 24 divisors (see below), whose sum is σ = 4762384718112. Its totient is φ = 667000660000.

The previous prime is 2021012001007. The next prime is 2021012001049. The reversal of 2021012001012 is 2101002101202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833749614 + ... + 833752037.

It is an arithmetic number, because the mean of its divisors is an integer number (198432696588).

Almost surely, 2^{2021012001012} is an apocalyptic number.

It is an amenable number.

2021012001012 is an abundant number, since it is smaller than the sum of its proper divisors (2741372717100).

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

2021012001012 is a wasteful number, since it uses less digits than its factorization.

2021012001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667501759 (or 1667501757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021012001012 its reverse (2101002101202), we get a palindrome (4122014102214).

The spelling of 2021012001012 in words is "two trillion, twenty-one billion, twelve million, one thousand, twelve".