12440424112 has 10 divisors (see below), whose sum is σ = 24103321748. Its totient is φ = 6220212048.

The previous prime is 12440424109. The next prime is 12440424181. The reversal of 12440424112 is 21142404421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388763238 + ... + 388763269.

Almost surely, 2^12440424112 is an apocalyptic number.

It is an amenable number.

12440424112 is a deficient number, since it is larger than the sum of its proper divisors (11662897636).

12440424112 is an equidigital number, since it uses as much as digits as its factorization.

12440424112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777526515 (or 777526509 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12440424112 its reverse (21142404421), we get a palindrome (33582828533).

The spelling of 12440424112 in words is "twelve billion, four hundred forty million, four hundred twenty-four thousand, one hundred twelve".