12122440223 has 8 divisors (see below), whose sum is σ = 12844046880. Its totient is φ = 11401780480.

The previous prime is 12122440219. The next prime is 12122440241. The reversal of 12122440223 is 32204422121.

12122440223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12122440223 - 2² = 12122440219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122440273) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 210278 + ... + 261651.

It is an arithmetic number, because the mean of its divisors is an integer number (1605505860).

Almost surely, 2^12122440223 is an apocalyptic number.

12122440223 is a deficient number, since it is larger than the sum of its proper divisors (721606657).

12122440223 is a wasteful number, since it uses less digits than its factorization.

12122440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473457.

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

Adding to 12122440223 its reverse (32204422121), we get a palindrome (44326862344).

The spelling of 12122440223 in words is "twelve billion, one hundred twenty-two million, four hundred forty thousand, two hundred twenty-three".