12144332143 has 16 divisors (see below), whose sum is σ = 13745059776. Its totient is φ = 10666332160.

The previous prime is 12144332129. The next prime is 12144332171. The reversal of 12144332143 is 34123344121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12144332143 - 2³³ = 3554397551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144332173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362746 + ... + 394807.

It is an arithmetic number, because the mean of its divisors is an integer number (859066236).

Almost surely, 2^12144332143 is an apocalyptic number.

12144332143 is a deficient number, since it is larger than the sum of its proper divisors (1600727633).

12144332143 is a wasteful number, since it uses less digits than its factorization.

12144332143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757634.

The product of its digits is 6912, while the sum is 28.

Adding to 12144332143 its reverse (34123344121), we get a palindrome (46267676264).

The spelling of 12144332143 in words is "twelve billion, one hundred forty-four million, three hundred thirty-two thousand, one hundred forty-three".