12143304040 has 64 divisors (see below), whose sum is σ = 31341058560. Its totient is φ = 4148029440.

The previous prime is 12143304023. The next prime is 12143304049. The reversal of 12143304040 is 4040334121.

12143304040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12143304049) by changing a digit.

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, 4137 + ... + 155896.

It is an arithmetic number, because the mean of its divisors is an integer number (489704040).

Almost surely, 2^12143304040 is an apocalyptic number.

12143304040 is a gapful number since it is divisible by the number (10) 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 12143304040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15670529280).

12143304040 is an abundant number, since it is smaller than the sum of its proper divisors (19197754520).

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

12143304040 is a wasteful number, since it uses less digits than its factorization.

12143304040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160322 (or 160318 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12143304040 its reverse (4040334121), we get a palindrome (16183638161).

The spelling of 12143304040 in words is "twelve billion, one hundred forty-three million, three hundred four thousand, forty".