12711343205 has 16 divisors (see below), whose sum is σ = 16922347200. Its totient is φ = 9087922560.

The previous prime is 12711343189. The next prime is 12711343279. The reversal of 12711343205 is 50234311721.

It is not a de Polignac number, because 12711343205 - 2⁴ = 12711343189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1955360 + ... + 1961849.

It is an arithmetic number, because the mean of its divisors is an integer number (1057646700).

Almost surely, 2^12711343205 is an apocalyptic number.

It is an amenable number.

12711343205 is a deficient number, since it is larger than the sum of its proper divisors (4211003995).

12711343205 is a wasteful number, since it uses less digits than its factorization.

12711343205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917284.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 12711343205 its reverse (50234311721), we get a palindrome (62945654926).

The spelling of 12711343205 in words is "twelve billion, seven hundred eleven million, three hundred forty-three thousand, two hundred five".