12143444104 has 64 divisors (see below), whose sum is σ = 25869974400. Its totient is φ = 5294822400.

The previous prime is 12143444099. The next prime is 12143444119. The reversal of 12143444104 is 40144434121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204912 + ... + 257440.

It is an arithmetic number, because the mean of its divisors is an integer number (404218350).

Almost surely, 2^12143444104 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 12143444104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12934987200).

12143444104 is an abundant number, since it is smaller than the sum of its proper divisors (13726530296).

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

12143444104 is a wasteful number, since it uses less digits than its factorization.

12143444104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52654 (or 52650 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12143444104 its reverse (40144434121), we get a palindrome (52287878225).

The spelling of 12143444104 in words is "twelve billion, one hundred forty-three million, four hundred forty-four thousand, one hundred four".