12222312142 has 8 divisors (see below), whose sum is σ = 18342077832. Its totient is φ = 6108286200.

The previous prime is 12222312103. The next prime is 12222312149. The reversal of 12222312142 is 24121322221.

12222312142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (12222312149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429609 + ... + 1438132.

It is an arithmetic number, because the mean of its divisors is an integer number (2292759729).

Almost surely, 2^12222312142 is an apocalyptic number.

12222312142 is a deficient number, since it is larger than the sum of its proper divisors (6119765690).

12222312142 is a wasteful number, since it uses less digits than its factorization.

12222312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869874.

The product of its digits is 768, while the sum is 22.

Adding to 12222312142 its reverse (24121322221), we get a palindrome (36343634363).

The spelling of 12222312142 in words is "twelve billion, two hundred twenty-two million, three hundred twelve thousand, one hundred forty-two".