12214231444 has 24 divisors (see below), whose sum is σ = 21902265000. Its totient is φ = 5956523520.

The previous prime is 12214231439. The next prime is 12214231531. The reversal of 12214231444 is 44413241221.

It can be written as a sum of positive squares in 4 ways, for example, as 3114979344 + 9099252100 = 55812^2 + 95390^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767682 + ... + 783430.

It is an arithmetic number, because the mean of its divisors is an integer number (912594375).

Almost surely, 2^12214231444 is an apocalyptic number.

It is an amenable number.

12214231444 is a deficient number, since it is larger than the sum of its proper divisors (9688033556).

12214231444 is a wasteful number, since it uses less digits than its factorization.

12214231444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20523 (or 20521 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 12214231444 its reverse (44413241221), we get a palindrome (56627472665).

The spelling of 12214231444 in words is "twelve billion, two hundred fourteen million, two hundred thirty-one thousand, four hundred forty-four".