12342442112 has 128 divisors (see below), whose sum is σ = 33014217600. Its totient is φ = 4438794240.

The previous prime is 12342442103. The next prime is 12342442141. The reversal of 12342442112 is 21124424321.

12342442112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 79964 + ... + 176292.

It is an arithmetic number, because the mean of its divisors is an integer number (257923575).

Almost surely, 2^12342442112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12342442112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16507108800).

12342442112 is an abundant number, since it is smaller than the sum of its proper divisors (20671775488).

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

12342442112 is a wasteful number, since it uses less digits than its factorization.

12342442112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96374 (or 96362 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

Adding to 12342442112 its reverse (21124424321), we get a palindrome (33466866433).

It can be divided in two parts, 12342 and 442112, that added together give a palindrome (454454).

The spelling of 12342442112 in words is "twelve billion, three hundred forty-two million, four hundred forty-two thousand, one hundred twelve".