12000122223 has 16 divisors (see below), whose sum is σ = 16178273280. Its totient is φ = 7911245664.

The previous prime is 12000122219. The next prime is 12000122243. The reversal of 12000122223 is 32222100021.

It is a happy number.

It is not a de Polignac number, because 12000122223 - 2² = 12000122219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000122243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195165 + ... + 249177.

It is an arithmetic number, because the mean of its divisors is an integer number (1011142080).

Almost surely, 2^12000122223 is an apocalyptic number.

12000122223 is a deficient number, since it is larger than the sum of its proper divisors (4178151057).

12000122223 is a wasteful number, since it uses less digits than its factorization.

12000122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54838.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12000122223 its reverse (32222100021), we get a palindrome (44222222244).

The spelling of 12000122223 in words is "twelve billion, one hundred twenty-two thousand, two hundred twenty-three".