12821671283 has 4 divisors (see below), whose sum is σ = 12822786600. Its totient is φ = 12820555968.

The previous prime is 12821671273. The next prime is 12821671301. The reversal of 12821671283 is 38217612821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12821671283 - 2⁴ = 12821671267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12821671283.

It is not an unprimeable number, because it can be changed into a prime (12821671273) 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, 540233 + ... + 563466.

It is an arithmetic number, because the mean of its divisors is an integer number (3205696650).

Almost surely, 2^12821671283 is an apocalyptic number.

12821671283 is a deficient number, since it is larger than the sum of its proper divisors (1115317).

12821671283 is a wasteful number, since it uses less digits than its factorization.

12821671283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115316.

The product of its digits is 64512, while the sum is 41.

The spelling of 12821671283 in words is "twelve billion, eight hundred twenty-one million, six hundred seventy-one thousand, two hundred eighty-three".