2021200110012 has 12 divisors (see below), whose sum is σ = 4716133590056. Its totient is φ = 673733370000.

The previous prime is 2021200109969. The next prime is 2021200110043. The reversal of 2021200110012 is 2100110021202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 168433342501 = 2021200110012 / (2 + 0 + 2 + 1 + 2 + 0 + 0 + 1 + 1 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 2021200110012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84216671239 + ... + 84216671262.

Almost surely, 2^{2021200110012} is an apocalyptic number.

It is an amenable number.

2021200110012 is an abundant number, since it is smaller than the sum of its proper divisors (2694933480044).

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

2021200110012 is a wasteful number, since it uses less digits than its factorization.

2021200110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168433342508 (or 168433342506 counting only the distinct ones).

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

Adding to 2021200110012 its reverse (2100110021202), we get a palindrome (4121310131214).

The spelling of 2021200110012 in words is "two trillion, twenty-one billion, two hundred million, one hundred ten thousand, twelve".