12112221001222 has 16 divisors (see below), whose sum is σ = 18206514189072. Its totient is φ = 6043394004480.

The previous prime is 12112221001217. The next prime is 12112221001241. The reversal of 12112221001222 is 22210012221121.

It is a self number, because there is not a number n which added to its sum of digits gives 12112221001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575479 + ... + 4955362.

It is an arithmetic number, because the mean of its divisors is an integer number (1137907136817).

Almost surely, 2^{12112221001222} is an apocalyptic number.

12112221001222 is a deficient number, since it is larger than the sum of its proper divisors (6094293187850).

12112221001222 is a wasteful number, since it uses less digits than its factorization.

12112221001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533143.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12112221001222 its reverse (22210012221121), we get a palindrome (34322233222343).

The spelling of 12112221001222 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-one million, one thousand, two hundred twenty-two".