12122200223 has 4 divisors (see below), whose sum is σ = 13853943120. Its totient is φ = 10390457328.

The previous prime is 12122200199. The next prime is 12122200271. The reversal of 12122200223 is 32200222121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12122200223 - 2⁶ = 12122200159 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 (12122200273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865871438 + ... + 865871451.

It is an arithmetic number, because the mean of its divisors is an integer number (3463485780).

Almost surely, 2^12122200223 is an apocalyptic number.

12122200223 is a deficient number, since it is larger than the sum of its proper divisors (1731742897).

12122200223 is an equidigital number, since it uses as much as digits as its factorization.

12122200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731742896.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12122200223 its reverse (32200222121), we get a palindrome (44322422344).

The spelling of 12122200223 in words is "twelve billion, one hundred twenty-two million, two hundred thousand, two hundred twenty-three".