12231343142 has 16 divisors (see below), whose sum is σ = 18653944464. Its totient is φ = 6013428000.

The previous prime is 12231343129. The next prime is 12231343177. The reversal of 12231343142 is 24134313221.

12231343142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 396392 + ... + 426132.

It is an arithmetic number, because the mean of its divisors is an integer number (1165871529).

Almost surely, 2^12231343142 is an apocalyptic number.

12231343142 is a deficient number, since it is larger than the sum of its proper divisors (6422601322).

12231343142 is a wasteful number, since it uses less digits than its factorization.

12231343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33175.

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

Adding to 12231343142 its reverse (24134313221), we get a palindrome (36365656363).

The spelling of 12231343142 in words is "twelve billion, two hundred thirty-one million, three hundred forty-three thousand, one hundred forty-two".