12122011222 has 8 divisors (see below), whose sum is σ = 18197127000. Its totient is φ = 6056302224.

The previous prime is 12122011219. The next prime is 12122011243. The reversal of 12122011222 is 22211022121.

It is a happy number.

12122011222 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 junction number, because it is equal to n+sod(n) for n = 12122011196 and 12122011205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2348472 + ... + 2353627.

It is an arithmetic number, because the mean of its divisors is an integer number (2274640875).

Almost surely, 2^12122011222 is an apocalyptic number.

12122011222 is a deficient number, since it is larger than the sum of its proper divisors (6075115778).

12122011222 is a wasteful number, since it uses less digits than its factorization.

12122011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703390.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122011222 its reverse (22211022121), we get a palindrome (34333033343).

The spelling of 12122011222 in words is "twelve billion, one hundred twenty-two million, eleven thousand, two hundred twenty-two".