12322043142 has 16 divisors (see below), whose sum is σ = 24661301040. Its totient is φ = 4104478592.

The previous prime is 12322043099. The next prime is 12322043143. The reversal of 12322043142 is 24134022321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322043143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707967 + ... + 725162.

It is an arithmetic number, because the mean of its divisors is an integer number (1541331315).

Almost surely, 2^12322043142 is an apocalyptic number.

12322043142 is an abundant number, since it is smaller than the sum of its proper divisors (12339257898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12322043142 is a wasteful number, since it uses less digits than its factorization.

12322043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434567.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12322043142 its reverse (24134022321), we get a palindrome (36456065463).

The spelling of 12322043142 in words is "twelve billion, three hundred twenty-two million, forty-three thousand, one hundred forty-two".