12432112143 has 16 divisors (see below), whose sum is σ = 18089329536. Its totient is φ = 7532006240.

The previous prime is 12432112123. The next prime is 12432112151. The reversal of 12432112143 is 34121123421.

12432112143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12432112143 - 2⁵ = 12432112111 is a prime.

It is a super-2 number, since 2×12432112143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432112123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33880 + ... + 161282.

It is an arithmetic number, because the mean of its divisors is an integer number (1130583096).

Almost surely, 2^12432112143 is an apocalyptic number.

12432112143 is a deficient number, since it is larger than the sum of its proper divisors (5657217393).

12432112143 is a wasteful number, since it uses less digits than its factorization.

12432112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130374.

The product of its digits is 1152, while the sum is 24.

Adding to 12432112143 its reverse (34121123421), we get a palindrome (46553235564).

The spelling of 12432112143 in words is "twelve billion, four hundred thirty-two million, one hundred twelve thousand, one hundred forty-three".