12021103220099 has 4 divisors (see below), whose sum is σ = 12408880743360. Its totient is φ = 11633325696840.

The previous prime is 12021103220057. The next prime is 12021103220117. The reversal of 12021103220099 is 99002230112021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12021103220099 - 2³² = 12016808252803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021103220299) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 193888761584 + ... + 193888761645.

It is an arithmetic number, because the mean of its divisors is an integer number (3102220185840).

Almost surely, 2^{12021103220099} is an apocalyptic number.

12021103220099 is a deficient number, since it is larger than the sum of its proper divisors (387777523261).

12021103220099 is an equidigital number, since it uses as much as digits as its factorization.

12021103220099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387777523260.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 12021103220099 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred twenty thousand, ninety-nine".