12140304142 has 8 divisors (see below), whose sum is σ = 18353846016. Its totient is φ = 6022355472.

The previous prime is 12140304091. The next prime is 12140304149. The reversal of 12140304142 is 24140304121.

It is a happy number.

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 (12140304149) 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, 23897983 + ... + 23898490.

It is an arithmetic number, because the mean of its divisors is an integer number (2294230752).

Almost surely, 2^12140304142 is an apocalyptic number.

12140304142 is a deficient number, since it is larger than the sum of its proper divisors (6213541874).

12140304142 is a wasteful number, since it uses less digits than its factorization.

12140304142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47796602.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12140304142 its reverse (24140304121), we get a palindrome (36280608263).

The spelling of 12140304142 in words is "twelve billion, one hundred forty million, three hundred four thousand, one hundred forty-two".