12143344413 has 4 divisors (see below), whose sum is σ = 16191125888. Its totient is φ = 8095562940.

The previous prime is 12143344393. The next prime is 12143344483. The reversal of 12143344413 is 31444334121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12143344413 - 2²⁵ = 12109789981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143344483) 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, 2023890733 + ... + 2023890738.

It is an arithmetic number, because the mean of its divisors is an integer number (4047781472).

Almost surely, 2^12143344413 is an apocalyptic number.

It is an amenable number.

12143344413 is a deficient number, since it is larger than the sum of its proper divisors (4047781475).

12143344413 is an equidigital number, since it uses as much as digits as its factorization.

12143344413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047781474.

The product of its digits is 13824, while the sum is 30.

Adding to 12143344413 its reverse (31444334121), we get a palindrome (43587678534).

The spelling of 12143344413 in words is "twelve billion, one hundred forty-three million, three hundred forty-four thousand, four hundred thirteen".