12342321242340 has 192 divisors, whose sum is σ = 36881256652800. Its totient is φ = 3074962715136.

The previous prime is 12342321242327. The next prime is 12342321242453. The reversal of 12342321242340 is 4324212324321.

It is a happy number.

12342321242340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76740849 + ... + 76901511.

It is an arithmetic number, because the mean of its divisors is an integer number (192089878400).

Almost surely, 2^{12342321242340} is an apocalyptic number.

12342321242340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12342321242340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18440628326400).

12342321242340 is an abundant number, since it is smaller than the sum of its proper divisors (24538935410460).

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

12342321242340 is a wasteful number, since it uses less digits than its factorization.

12342321242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161626 (or 161624 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 12342321242340 its reverse (4324212324321), we get a palindrome (16666533566661).

The spelling of 12342321242340 in words is "twelve trillion, three hundred forty-two billion, three hundred twenty-one million, two hundred forty-two thousand, three hundred forty".