2821362012 has 36 divisors (see below), whose sum is σ = 8150602096. Its totient is φ = 806103360.

The previous prime is 2821361989. The next prime is 2821362029. The reversal of 2821362012 is 2102631282.

2821362012 is a `hidden beast` number, since 2 + 8 + 21 + 3 + 620 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5597689 + ... + 5598192.

Almost surely, 2^2821362012 is an apocalyptic number.

It is an amenable number.

2821362012 is an abundant number, since it is smaller than the sum of its proper divisors (5329240084).

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

2821362012 is a wasteful number, since it uses less digits than its factorization.

2821362012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195898 (or 11195893 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2821362012 is about 53116.4947262148. The cubic root of 2821362012 is about 1413.0350617800.

Adding to 2821362012 its reverse (2102631282), we get a palindrome (4923993294).

The spelling of 2821362012 in words is "two billion, eight hundred twenty-one million, three hundred sixty-two thousand, twelve".