12102221220008 has 16 divisors (see below), whose sum is σ = 22695776424000. Its totient is φ = 6050014173616.

The previous prime is 12102221220007. The next prime is 12102221220073. The reversal of 12102221220008 is 80002212220121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12102221220007) 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, 137007638 + ... + 137095941.

It is an arithmetic number, because the mean of its divisors is an integer number (1418486026500).

Almost surely, 2^{12102221220008} is an apocalyptic number.

It is an amenable number.

12102221220008 is a deficient number, since it is larger than the sum of its proper divisors (10593555203992).

12102221220008 is a wasteful number, since it uses less digits than its factorization.

12102221220008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274109104 (or 274109100 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 12102221220008 its reverse (80002212220121), we get a palindrome (92104433440129).

The spelling of 12102221220008 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, two hundred twenty thousand, eight".