22143224140412 has 12 divisors (see below), whose sum is σ = 38813244256920. Its totient is φ = 11053725781296.

The previous prime is 22143224140403. The next prime is 22143224140441. The reversal of 22143224140412 is 21404142234122.

It is a congruent number.

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, 4471569443 + ... + 4471574394.

It is an arithmetic number, because the mean of its divisors is an integer number (3234437021410).

Almost surely, 2^{22143224140412} is an apocalyptic number.

It is an amenable number.

22143224140412 is a deficient number, since it is larger than the sum of its proper divisors (16670020116508).

22143224140412 is a wasteful number, since it uses less digits than its factorization.

22143224140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943144460 (or 8943144458 counting only the distinct ones).

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

Adding to 22143224140412 its reverse (21404142234122), we get a palindrome (43547366374534).

The spelling of 22143224140412 in words is "twenty-two trillion, one hundred forty-three billion, two hundred twenty-four million, one hundred forty thousand, four hundred twelve".