12342251142 has 48 divisors (see below), whose sum is σ = 28835155440. Its totient is φ = 3792793536.

The previous prime is 12342251111. The next prime is 12342251149. The reversal of 12342251142 is 24115224321.

12342251142 is a `hidden beast` number, since 123 + 4 + 22 + 511 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342251149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153409 + ... + 219587.

It is an arithmetic number, because the mean of its divisors is an integer number (600732405).

Almost surely, 2^12342251142 is an apocalyptic number.

12342251142 is an abundant number, since it is smaller than the sum of its proper divisors (16492904298).

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

12342251142 is a wasteful number, since it uses less digits than its factorization.

12342251142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66997 (or 66994 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 12342251142 its reverse (24115224321), we get a palindrome (36457475463).

The spelling of 12342251142 in words is "twelve billion, three hundred forty-two million, two hundred fifty-one thousand, one hundred forty-two".