12142423142 has 8 divisors (see below), whose sum is σ = 18657869832. Its totient is φ = 5923133200.

The previous prime is 12142423129. The next prime is 12142423159. The reversal of 12142423142 is 24132424121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74039084 + ... + 74039247.

It is an arithmetic number, because the mean of its divisors is an integer number (2332233729).

Almost surely, 2^12142423142 is an apocalyptic number.

12142423142 is a deficient number, since it is larger than the sum of its proper divisors (6515446690).

12142423142 is a wasteful number, since it uses less digits than its factorization.

12142423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148078374.

The product of its digits is 3072, while the sum is 26.

Adding to 12142423142 its reverse (24132424121), we get a palindrome (36274847263).

The spelling of 12142423142 in words is "twelve billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred forty-two".