12140242342 has 8 divisors (see below), whose sum is σ = 18224627616. Its totient is φ = 6065366472.

The previous prime is 12140242291. The next prime is 12140242343. The reversal of 12140242342 is 24324204121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140242343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374158 + ... + 2379265.

It is an arithmetic number, because the mean of its divisors is an integer number (2278078452).

Almost surely, 2^12140242342 is an apocalyptic number.

12140242342 is a deficient number, since it is larger than the sum of its proper divisors (6084385274).

12140242342 is a wasteful number, since it uses less digits than its factorization.

12140242342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754702.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12140242342 its reverse (24324204121), we get a palindrome (36464446463).

The spelling of 12140242342 in words is "twelve billion, one hundred forty million, two hundred forty-two thousand, three hundred forty-two".