12898871999 has 16 divisors (see below), whose sum is σ = 13955569152. Its totient is φ = 11851485408.

The previous prime is 12898871939. The next prime is 12898872013. The reversal of 12898871999 is 99917889821.

12898871999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12898871999 - 2²⁰ = 12897823423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12898871939) 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, 5322302 + ... + 5324724.

It is an arithmetic number, because the mean of its divisors is an integer number (872223072).

Almost surely, 2^12898871999 is an apocalyptic number.

12898871999 is a deficient number, since it is larger than the sum of its proper divisors (1056697153).

12898871999 is a wasteful number, since it uses less digits than its factorization.

12898871999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166.

The product of its digits is 47029248, while the sum is 71.

The spelling of 12898871999 in words is "twelve billion, eight hundred ninety-eight million, eight hundred seventy-one thousand, nine hundred ninety-nine".