2021133033012 has 12 divisors (see below), whose sum is σ = 4715977077056. Its totient is φ = 673711011000.

The previous prime is 2021133033011. The next prime is 2021133033061. The reversal of 2021133033012 is 2103303311202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2021133033012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021133033011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84213876364 + ... + 84213876387.

Almost surely, 2^{2021133033012} is an apocalyptic number.

It is an amenable number.

2021133033012 is an abundant number, since it is smaller than the sum of its proper divisors (2694844044044).

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

2021133033012 is a wasteful number, since it uses less digits than its factorization.

2021133033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168427752758 (or 168427752756 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2021133033012 its reverse (2103303311202), we get a palindrome (4124436344214).

The spelling of 2021133033012 in words is "two trillion, twenty-one billion, one hundred thirty-three million, thirty-three thousand, twelve".