12221102122 has 8 divisors (see below), whose sum is σ = 18463536000. Its totient is φ = 6066590124.

The previous prime is 12221102107. The next prime is 12221102123. The reversal of 12221102122 is 22120112221.

It is a happy number.

12221102122 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 = 12221102096 and 12221102105.

It is not an unprimeable number, because it can be changed into a prime (12221102123) 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 3 ways as a sum of consecutive naturals, for example, 21980122 + ... + 21980677.

It is an arithmetic number, because the mean of its divisors is an integer number (2307942000).

Almost surely, 2^12221102122 is an apocalyptic number.

12221102122 is a deficient number, since it is larger than the sum of its proper divisors (6242433878).

12221102122 is a wasteful number, since it uses less digits than its factorization.

12221102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43960940.

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

Adding to 12221102122 its reverse (22120112221), we get a palindrome (34341214343).

The spelling of 12221102122 in words is "twelve billion, two hundred twenty-one million, one hundred two thousand, one hundred twenty-two".