12432112142 has 4 divisors (see below), whose sum is σ = 18648168216. Its totient is φ = 6216056070.

The previous prime is 12432112123. The next prime is 12432112151. The reversal of 12432112142 is 24121123421.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12432112142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108028034 + ... + 3108028037.

It is an arithmetic number, because the mean of its divisors is an integer number (4662042054).

Almost surely, 2^12432112142 is an apocalyptic number.

12432112142 is a deficient number, since it is larger than the sum of its proper divisors (6216056074).

12432112142 is an equidigital number, since it uses as much as digits as its factorization.

12432112142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216056073.

The product of its digits is 768, while the sum is 23.

Adding to 12432112142 its reverse (24121123421), we get a palindrome (36553235563).

The spelling of 12432112142 in words is "twelve billion, four hundred thirty-two million, one hundred twelve thousand, one hundred forty-two".