12212044444 has 6 divisors (see below), whose sum is σ = 21371077784. Its totient is φ = 6106022220.

The previous prime is 12212044421. The next prime is 12212044459. The reversal of 12212044444 is 44444021221.

It is a happy number.

12212044444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1526505552 + ... + 1526505559.

Almost surely, 2^12212044444 is an apocalyptic number.

It is an amenable number.

12212044444 is a deficient number, since it is larger than the sum of its proper divisors (9159033340).

12212044444 is a wasteful number, since it uses less digits than its factorization.

12212044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053011115 (or 3053011113 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 12212044444 its reverse (44444021221), we get a palindrome (56656065665).

The spelling of 12212044444 in words is "twelve billion, two hundred twelve million, forty-four thousand, four hundred forty-four".