12443163336 has 96 divisors (see below), whose sum is σ = 34138540800. Its totient is φ = 4093943040.

The previous prime is 12443163331. The next prime is 12443163353. The reversal of 12443163336 is 63336134421.

12443163336 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 316 + 3 + 336 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12443163336.

It is not an unprimeable number, because it can be changed into a prime (12443163331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4657281 + ... + 4659951.

It is an arithmetic number, because the mean of its divisors is an integer number (355609800).

Almost surely, 2^12443163336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12443163336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17069270400).

12443163336 is an abundant number, since it is smaller than the sum of its proper divisors (21695377464).

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

12443163336 is a wasteful number, since it uses less digits than its factorization.

12443163336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3492 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

Adding to 12443163336 its reverse (63336134421), we get a palindrome (75779297757).

The spelling of 12443163336 in words is "twelve billion, four hundred forty-three million, one hundred sixty-three thousand, three hundred thirty-six".