12123324244 has 24 divisors (see below), whose sum is σ = 21810872160. Its totient is φ = 5891972256.

The previous prime is 12123324221. The next prime is 12123324253. The reversal of 12123324244 is 44242332121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110619 + ... + 191005.

It is an arithmetic number, because the mean of its divisors is an integer number (908786340).

Almost surely, 2^12123324244 is an apocalyptic number.

It is an amenable number.

12123324244 is a deficient number, since it is larger than the sum of its proper divisors (9687547916).

12123324244 is a wasteful number, since it uses less digits than its factorization.

12123324244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81447 (or 81445 counting only the distinct ones).

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

Adding to 12123324244 its reverse (44242332121), we get a palindrome (56365656365).

The spelling of 12123324244 in words is "twelve billion, one hundred twenty-three million, three hundred twenty-four thousand, two hundred forty-four".