12214421421422 has 48 divisors (see below), whose sum is σ = 21289565540880. Its totient is φ = 5237223995520.

The previous prime is 12214421421421. The next prime is 12214421421431. The reversal of 12214421421422 is 22412412441221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214421421421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4629233 + ... + 6771900.

It is an arithmetic number, because the mean of its divisors is an integer number (443532615435).

Almost surely, 2^{12214421421422} is an apocalyptic number.

12214421421422 is a deficient number, since it is larger than the sum of its proper divisors (9075144119458).

12214421421422 is a wasteful number, since it uses less digits than its factorization.

12214421421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401409 (or 11401398 counting only the distinct ones).

The product of its digits is 16384, while the sum is 32.

Adding to 12214421421422 its reverse (22412412441221), we get a palindrome (34626833862643).

The spelling of 12214421421422 in words is "twelve trillion, two hundred fourteen billion, four hundred twenty-one million, four hundred twenty-one thousand, four hundred twenty-two".