12143441242 has 16 divisors (see below), whose sum is σ = 18533520000. Its totient is φ = 5965708320.

The previous prime is 12143441203. The next prime is 12143441251. The reversal of 12143441242 is 24214434121.

It is a self number, because there is not a number n which added to its sum of digits gives 12143441242.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 210142 + ... + 261622.

It is an arithmetic number, because the mean of its divisors is an integer number (1158345000).

Almost surely, 2^12143441242 is an apocalyptic number.

12143441242 is a deficient number, since it is larger than the sum of its proper divisors (6390078758).

12143441242 is a wasteful number, since it uses less digits than its factorization.

12143441242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53541.

The product of its digits is 6144, while the sum is 28.

Adding to 12143441242 its reverse (24214434121), we get a palindrome (36357875363).

The spelling of 12143441242 in words is "twelve billion, one hundred forty-three million, four hundred forty-one thousand, two hundred forty-two".