12828052251 has 24 divisors (see below), whose sum is σ = 21179884544. Its totient is φ = 7329132720.

The previous prime is 12828052229. The next prime is 12828052261. The reversal of 12828052251 is 15225082821.

12828052251 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 80 + 522 + 51 = 666.

It is not a de Polignac number, because 12828052251 - 2¹⁰ = 12828051227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12828052261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509796 + ... + 534366.

Almost surely, 2^12828052251 is an apocalyptic number.

12828052251 is a deficient number, since it is larger than the sum of its proper divisors (8351832293).

12828052251 is a wasteful number, since it uses less digits than its factorization.

12828052251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32871 (or 32868 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 12828052251 in words is "twelve billion, eight hundred twenty-eight million, fifty-two thousand, two hundred fifty-one".