12142134342123 has 16 divisors (see below), whose sum is σ = 17041687555200. Its totient is φ = 7668673453440.

The previous prime is 12142134342119. The next prime is 12142134342131. The reversal of 12142134342123 is 32124343124121.

It is not a de Polignac number, because 12142134342123 - 2² = 12142134342119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12142134342133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11962243 + ... + 12937523.

It is an arithmetic number, because the mean of its divisors is an integer number (1065105472200).

Almost surely, 2^{12142134342123} is an apocalyptic number.

12142134342123 is a deficient number, since it is larger than the sum of its proper divisors (4899553213077).

12142134342123 is a wasteful number, since it uses less digits than its factorization.

12142134342123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193722.

The product of its digits is 27648, while the sum is 33.

Adding to 12142134342123 its reverse (32124343124121), we get a palindrome (44266477466244).

The spelling of 12142134342123 in words is "twelve trillion, one hundred forty-two billion, one hundred thirty-four million, three hundred forty-two thousand, one hundred twenty-three".