12321343142 has 8 divisors (see below), whose sum is σ = 19078208832. Its totient is φ = 5961940200.

The previous prime is 12321343141. The next prime is 12321343159. The reversal of 12321343142 is 24134312321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321343141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99365609 + ... + 99365732.

It is an arithmetic number, because the mean of its divisors is an integer number (2384776104).

Almost surely, 2^12321343142 is an apocalyptic number.

12321343142 is a deficient number, since it is larger than the sum of its proper divisors (6756865690).

12321343142 is a wasteful number, since it uses less digits than its factorization.

12321343142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198731374.

The product of its digits is 3456, while the sum is 26.

Adding to 12321343142 its reverse (24134312321), we get a palindrome (36455655463).

The spelling of 12321343142 in words is "twelve billion, three hundred twenty-one million, three hundred forty-three thousand, one hundred forty-two".