12021103220108 has 24 divisors (see below), whose sum is σ = 21097396866000. Its totient is φ = 5993284903488.

The previous prime is 12021103220057. The next prime is 12021103220117. The reversal of 12021103220108 is 80102230112021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977618 + ... + 6313766.

It is an arithmetic number, because the mean of its divisors is an integer number (879058202750).

Almost surely, 2^{12021103220108} is an apocalyptic number.

It is an amenable number.

12021103220108 is a deficient number, since it is larger than the sum of its proper divisors (9076293645892).

12021103220108 is a wasteful number, since it uses less digits than its factorization.

12021103220108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339849 (or 2339847 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12021103220108 its reverse (80102230112021), we get a palindrome (92123333332129).

The spelling of 12021103220108 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred twenty thousand, one hundred eight".