12805292875 has 16 divisors (see below), whose sum is σ = 16082820000. Its totient is φ = 10178968800.

The previous prime is 12805292873. The next prime is 12805292881. The reversal of 12805292875 is 57829250821.

12805292875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12805292875 - 2¹ = 12805292873 is a prime.

It is a super-2 number, since 2×12805292875² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12805292873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306625 + ... + 345874.

It is an arithmetic number, because the mean of its divisors is an integer number (1005176250).

Almost surely, 2^12805292875 is an apocalyptic number.

12805292875 is a deficient number, since it is larger than the sum of its proper divisors (3277527125).

12805292875 is an equidigital number, since it uses as much as digits as its factorization.

12805292875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652671 (or 652661 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 12805292875 in words is "twelve billion, eight hundred five million, two hundred ninety-two thousand, eight hundred seventy-five".