12244455578 has 16 divisors (see below), whose sum is σ = 19421579520. Its totient is φ = 5780229600.

The previous prime is 12244455577. The next prime is 12244455593. The reversal of 12244455578 is 87555444221.

12244455578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12244455577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405888 + ... + 2410971.

It is an arithmetic number, because the mean of its divisors is an integer number (1213848720).

Almost surely, 2^12244455578 is an apocalyptic number.

12244455578 is a deficient number, since it is larger than the sum of its proper divisors (7177123942).

12244455578 is a wasteful number, since it uses less digits than its factorization.

12244455578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816933.

The product of its digits is 1792000, while the sum is 47.

Adding to 12244455578 its reverse (87555444221), we get a palindrome (99799899799).

The spelling of 12244455578 in words is "twelve billion, two hundred forty-four million, four hundred fifty-five thousand, five hundred seventy-eight".