12820512827 has 8 divisors (see below), whose sum is σ = 13518922560. Its totient is φ = 12124467720.

The previous prime is 12820512797. The next prime is 12820512851. The reversal of 12820512827 is 72821502821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12820512827 - 2¹⁴ = 12820496443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12820512877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580013 + ... + 601710.

It is an arithmetic number, because the mean of its divisors is an integer number (1689865320).

Almost surely, 2^12820512827 is an apocalyptic number.

12820512827 is a deficient number, since it is larger than the sum of its proper divisors (698409733).

12820512827 is a wasteful number, since it uses less digits than its factorization.

12820512827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182313.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 12820512827 in words is "twelve billion, eight hundred twenty million, five hundred twelve thousand, eight hundred twenty-seven".