12542144043 has 96 divisors (see below), whose sum is σ = 21235737600. Its totient is φ = 6516956160.

The previous prime is 12542144033. The next prime is 12542144071. The reversal of 12542144043 is 34044124521.

It is not a de Polignac number, because 12542144043 - 2⁸ = 12542143787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12542144043.

It is not an unprimeable number, because it can be changed into a prime (12542144033) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6336628 + ... + 6338606.

It is an arithmetic number, because the mean of its divisors is an integer number (221205600).

Almost surely, 2^12542144043 is an apocalyptic number.

12542144043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12542144043 is a deficient number, since it is larger than the sum of its proper divisors (8693593557).

12542144043 is a wasteful number, since it uses less digits than its factorization.

12542144043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 12542144043 its reverse (34044124521), we get a palindrome (46586268564).

The spelling of 12542144043 in words is "twelve billion, five hundred forty-two million, one hundred forty-four thousand, forty-three".