12443310442 has 16 divisors (see below), whose sum is σ = 19138073472. Its totient is φ = 6065008000.

The previous prime is 12443310433. The next prime is 12443310443. The reversal of 12443310442 is 24401334421.

It is a self number, because there is not a number n which added to its sum of digits gives 12443310442.

It is not an unprimeable number, because it can be changed into a prime (12443310443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240103 + ... + 287290.

It is an arithmetic number, because the mean of its divisors is an integer number (1196129592).

Almost surely, 2^12443310442 is an apocalyptic number.

12443310442 is a deficient number, since it is larger than the sum of its proper divisors (6694763030).

12443310442 is a wasteful number, since it uses less digits than its factorization.

12443310442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527693.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12443310442 its reverse (24401334421), we get a palindrome (36844644863).

The spelling of 12443310442 in words is "twelve billion, four hundred forty-three million, three hundred ten thousand, four hundred forty-two".