12343205142 has 64 divisors (see below), whose sum is σ = 28055116800. Its totient is φ = 4020801120.

The previous prime is 12343205123. The next prime is 12343205167. The reversal of 12343205142 is 24150234321.

12343205142 is a `hidden beast` number, since 123 + 4 + 3 + 20 + 514 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1872292 + ... + 1878872.

It is an arithmetic number, because the mean of its divisors is an integer number (438361200).

Almost surely, 2^12343205142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12343205142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14027558400).

12343205142 is an abundant number, since it is smaller than the sum of its proper divisors (15711911658).

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

12343205142 is a wasteful number, since it uses less digits than its factorization.

12343205142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378 (or 7372 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12343205142 its reverse (24150234321), we get a palindrome (36493439463).

The spelling of 12343205142 in words is "twelve billion, three hundred forty-three million, two hundred five thousand, one hundred forty-two".