12144444322 has 8 divisors (see below), whose sum is σ = 18219982572. Its totient is φ = 6071116800.

The previous prime is 12144444229. The next prime is 12144444341. The reversal of 12144444322 is 22344444121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11299902601 + 844541721 = 106301^2 + 29061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538879 + ... + 560962.

Almost surely, 2^12144444322 is an apocalyptic number.

12144444322 is a deficient number, since it is larger than the sum of its proper divisors (6075538250).

12144444322 is a wasteful number, since it uses less digits than its factorization.

12144444322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105364.

The product of its digits is 24576, while the sum is 31.

Adding to 12144444322 its reverse (22344444121), we get a palindrome (34488888443).

The spelling of 12144444322 in words is "twelve billion, one hundred forty-four million, four hundred forty-four thousand, three hundred twenty-two".