12501143344 has 10 divisors (see below), whose sum is σ = 24220965260. Its totient is φ = 6250571664.

The previous prime is 12501143339. The next prime is 12501143351. The reversal of 12501143344 is 44334110521.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390660714 + ... + 390660745.

It is an arithmetic number, because the mean of its divisors is an integer number (2422096526).

Almost surely, 2^12501143344 is an apocalyptic number.

It is an amenable number.

12501143344 is a deficient number, since it is larger than the sum of its proper divisors (11719821916).

12501143344 is an equidigital number, since it uses as much as digits as its factorization.

12501143344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781321467 (or 781321461 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12501143344 its reverse (44334110521), we get a palindrome (56835253865).

The spelling of 12501143344 in words is "twelve billion, five hundred one million, one hundred forty-three thousand, three hundred forty-four".