12878685143 has 4 divisors (see below), whose sum is σ = 12883445400. Its totient is φ = 12873924888.

The previous prime is 12878685109. The next prime is 12878685163. The reversal of 12878685143 is 34158687821.

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 12878685143 - 2²⁰ = 12877636567 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 (12878685163) 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, 2376068 + ... + 2381481.

It is an arithmetic number, because the mean of its divisors is an integer number (3220861350).

Almost surely, 2^12878685143 is an apocalyptic number.

12878685143 is a deficient number, since it is larger than the sum of its proper divisors (4760257).

12878685143 is an equidigital number, since it uses as much as digits as its factorization.

12878685143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760256.

The product of its digits is 2580480, while the sum is 53.

The spelling of 12878685143 in words is "twelve billion, eight hundred seventy-eight million, six hundred eighty-five thousand, one hundred forty-three".