12857203259 has 4 divisors (see below), whose sum is σ = 12865713840. Its totient is φ = 12848692680.

The previous prime is 12857203213. The next prime is 12857203291. The reversal of 12857203259 is 95230275821.

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 12857203259 - 2²⁰ = 12856154683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12857203459) 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, 4253024 + ... + 4256045.

It is an arithmetic number, because the mean of its divisors is an integer number (3216428460).

Almost surely, 2^12857203259 is an apocalyptic number.

12857203259 is a deficient number, since it is larger than the sum of its proper divisors (8510581).

12857203259 is an equidigital number, since it uses as much as digits as its factorization.

12857203259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510580.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 12857203259 in words is "twelve billion, eight hundred fifty-seven million, two hundred three thousand, two hundred fifty-nine".