2821997017212 has 24 divisors (see below), whose sum is σ = 6587460563712. Its totient is φ = 940265550000.

The previous prime is 2821997017207. The next prime is 2821997017291. The reversal of 2821997017212 is 2127107991282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49985914 + ... + 50042337.

It is an arithmetic number, because the mean of its divisors is an integer number (274477523488).

Almost surely, 2^{2821997017212} is an apocalyptic number.

It is an amenable number.

2821997017212 is an abundant number, since it is smaller than the sum of its proper divisors (3765463546500).

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

2821997017212 is a wasteful number, since it uses less digits than its factorization.

2821997017212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100030609 (or 100030607 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 51.

The spelling of 2821997017212 in words is "two trillion, eight hundred twenty-one billion, nine hundred ninety-seven million, seventeen thousand, two hundred twelve".