12100220999 has 2 divisors, whose sum is σ = 12100221000. Its totient is φ = 12100220998.

The previous prime is 12100220953. The next prime is 12100221043. The reversal of 12100220999 is 99902200121.

12100220999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12100220999 - 2¹² = 12100216903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100220929) 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 as a sum of consecutive naturals, namely, 6050110499 + 6050110500.

It is an arithmetic number, because the mean of its divisors is an integer number (6050110500).

Almost surely, 2^12100220999 is an apocalyptic number.

12100220999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100220999 is an equidigital number, since it uses as much as digits as its factorization.

12100220999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 12100220999 in words is "twelve billion, one hundred million, two hundred twenty thousand, nine hundred ninety-nine".