12043221422 has 8 divisors (see below), whose sum is σ = 18175659816. Its totient is φ = 5984668152.

The previous prime is 12043221419. The next prime is 12043221451. The reversal of 12043221422 is 22412234021.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 18470873 + ... + 18471524.

It is an arithmetic number, because the mean of its divisors is an integer number (2271957477).

Almost surely, 2^12043221422 is an apocalyptic number.

12043221422 is a deficient number, since it is larger than the sum of its proper divisors (6132438394).

12043221422 is a wasteful number, since it uses less digits than its factorization.

12043221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36942562.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12043221422 its reverse (22412234021), we get a palindrome (34455455443).

The spelling of 12043221422 in words is "twelve billion, forty-three million, two hundred twenty-one thousand, four hundred twenty-two".