12143947936 has 96 divisors (see below), whose sum is σ = 25004851200. Its totient is φ = 5799340800.

The previous prime is 12143947903. The next prime is 12143947961. The reversal of 12143947936 is 63974934121.

12143947936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12143947936.

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 15 ways as a sum of consecutive naturals, for example, 44811481 + ... + 44811751.

It is an arithmetic number, because the mean of its divisors is an integer number (260467200).

Almost surely, 2^12143947936 is an apocalyptic number.

12143947936 is a gapful number since it is divisible by the number (16) 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 12143947936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12502425600).

12143947936 is an abundant number, since it is smaller than the sum of its proper divisors (12860903264).

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

12143947936 is a wasteful number, since it uses less digits than its factorization.

12143947936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 730 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The spelling of 12143947936 in words is "twelve billion, one hundred forty-three million, nine hundred forty-seven thousand, nine hundred thirty-six".