12322431343142 has 4 divisors (see below), whose sum is σ = 18483647014716. Its totient is φ = 6161215671570.

The previous prime is 12322431343081. The next prime is 12322431343169. The reversal of 12322431343142 is 24134313422321.

It is a happy number.

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

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, 3080607835784 + ... + 3080607835787.

It is an arithmetic number, because the mean of its divisors is an integer number (4620911753679).

Almost surely, 2^{12322431343142} is an apocalyptic number.

12322431343142 is a deficient number, since it is larger than the sum of its proper divisors (6161215671574).

12322431343142 is an equidigital number, since it uses as much as digits as its factorization.

12322431343142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161215671573.

The product of its digits is 82944, while the sum is 35.

Adding to 12322431343142 its reverse (24134313422321), we get a palindrome (36456744765463).

The spelling of 12322431343142 in words is "twelve trillion, three hundred twenty-two billion, four hundred thirty-one million, three hundred forty-three thousand, one hundred forty-two".