12143433139 has 4 divisors (see below), whose sum is σ = 12165002856. Its totient is φ = 12121863424.

The previous prime is 12143433101. The next prime is 12143433161. The reversal of 12143433139 is 93133434121.

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 12143433139 - 2¹⁵ = 12143400371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12143433179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10784014 + ... + 10785139.

It is an arithmetic number, because the mean of its divisors is an integer number (3041250714).

Almost surely, 2^12143433139 is an apocalyptic number.

12143433139 is a deficient number, since it is larger than the sum of its proper divisors (21569717).

12143433139 is an equidigital number, since it uses as much as digits as its factorization.

12143433139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21569716.

The product of its digits is 23328, while the sum is 34.

The spelling of 12143433139 in words is "twelve billion, one hundred forty-three million, four hundred thirty-three thousand, one hundred thirty-nine".