12143433320 has 32 divisors (see below), whose sum is σ = 28264890600. Its totient is φ = 4689877248.

The previous prime is 12143433301. The next prime is 12143433331. The reversal of 12143433320 is 2333434121.

12143433320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11859645604 + 283787716 = 108902^2 + 16846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12143433320.

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 7 ways as a sum of consecutive naturals, for example, 5233079 + ... + 5235398.

Almost surely, 2^12143433320 is an apocalyptic number.

12143433320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12143433320 is an abundant number, since it is smaller than the sum of its proper divisors (16121457280).

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

12143433320 is a wasteful number, since it uses less digits than its factorization.

12143433320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10468517 (or 10468513 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 12143433320 its reverse (2333434121), we get a palindrome (14476867441).

The spelling of 12143433320 in words is "twelve billion, one hundred forty-three million, four hundred thirty-three thousand, three hundred twenty".