12141242178 has 128 divisors (see below), whose sum is σ = 27431357184. Its totient is φ = 3558297600.

The previous prime is 12141242161. The next prime is 12141242207. The reversal of 12141242178 is 87124214121.

12141242178 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30582276 + ... + 30582672.

It is an arithmetic number, because the mean of its divisors is an integer number (214307478).

Almost surely, 2^12141242178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12141242178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13715678592).

12141242178 is an abundant number, since it is smaller than the sum of its proper divisors (15290115006).

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

12141242178 is a wasteful number, since it uses less digits than its factorization.

12141242178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its digits is 7168, while the sum is 33.

Adding to 12141242178 its reverse (87124214121), we get a palindrome (99265456299).

The spelling of 12141242178 in words is "twelve billion, one hundred forty-one million, two hundred forty-two thousand, one hundred seventy-eight".