12711859999 has 4 divisors (see below), whose sum is σ = 12743560800. Its totient is φ = 12680159200.

The previous prime is 12711859961. The next prime is 12711860003. The reversal of 12711859999 is 99995811721.

It is a happy number.

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 12711859999 - 2²¹ = 12709762847 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 (12711859499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15849799 + ... + 15850600.

It is an arithmetic number, because the mean of its divisors is an integer number (3185890200).

Almost surely, 2^12711859999 is an apocalyptic number.

12711859999 is a deficient number, since it is larger than the sum of its proper divisors (31700801).

12711859999 is an equidigital number, since it uses as much as digits as its factorization.

12711859999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31700800.

The product of its digits is 3674160, while the sum is 61.

The spelling of 12711859999 in words is "twelve billion, seven hundred eleven million, eight hundred fifty-nine thousand, nine hundred ninety-nine".