12442143224123 has 8 divisors (see below), whose sum is σ = 12445607197920. Its totient is φ = 12438679703040.

The previous prime is 12442143224059. The next prime is 12442143224149. The reversal of 12442143224123 is 32142234124421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12442143224123 - 2⁶ = 12442143224059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442143224183) 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 7 ways as a sum of consecutive naturals, for example, 59098961 + ... + 59309117.

It is an arithmetic number, because the mean of its divisors is an integer number (1555700899740).

Almost surely, 2^{12442143224123} is an apocalyptic number.

12442143224123 is a deficient number, since it is larger than the sum of its proper divisors (3463973797).

12442143224123 is a wasteful number, since it uses less digits than its factorization.

12442143224123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226357.

The product of its digits is 73728, while the sum is 35.

Adding to 12442143224123 its reverse (32142234124421), we get a palindrome (44584377348544).

The spelling of 12442143224123 in words is "twelve trillion, four hundred forty-two billion, one hundred forty-three million, two hundred twenty-four thousand, one hundred twenty-three".