12422043212144 has 40 divisors (see below), whose sum is σ = 24439465424400. Its totient is φ = 6115179552768.

The previous prime is 12422043212143. The next prime is 12422043212147. The reversal of 12422043212144 is 44121234022421.

12422043212144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12422043212144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422043212141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883409 + ... + 5062064.

It is an arithmetic number, because the mean of its divisors is an integer number (610986635610).

Almost surely, 2^{12422043212144} is an apocalyptic number.

It is an amenable number.

12422043212144 is a deficient number, since it is larger than the sum of its proper divisors (12017422212256).

12422043212144 is a wasteful number, since it uses less digits than its factorization.

12422043212144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947497 (or 5947491 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 12422043212144 its reverse (44121234022421), we get a palindrome (56543277234565).

The spelling of 12422043212144 in words is "twelve trillion, four hundred twenty-two billion, forty-three million, two hundred twelve thousand, one hundred forty-four".