12143043205 has 16 divisors (see below), whose sum is σ = 14630803200. Its totient is φ = 9675055360.

The previous prime is 12143043119. The next prime is 12143043233. The reversal of 12143043205 is 50234034121.

It is not a de Polignac number, because 12143043205 - 2¹⁵ = 12143010437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12143043205.

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, 2421741 + ... + 2426749.

It is an arithmetic number, because the mean of its divisors is an integer number (914425200).

Almost surely, 2^12143043205 is an apocalyptic number.

It is an amenable number.

12143043205 is a deficient number, since it is larger than the sum of its proper divisors (2487759995).

12143043205 is a wasteful number, since it uses less digits than its factorization.

12143043205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12143043205 its reverse (50234034121), we get a palindrome (62377077326).

The spelling of 12143043205 in words is "twelve billion, one hundred forty-three million, forty-three thousand, two hundred five".