12120002221099 has 16 divisors (see below), whose sum is σ = 12169520939520. Its totient is φ = 12070585668960.

The previous prime is 12120002221027. The next prime is 12120002221121. The reversal of 12120002221099 is 99012220002121.

It is a cyclic number.

It is not a de Polignac number, because 12120002221099 - 2⁹ = 12120002220587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120002221099.

It is not an unprimeable number, because it can be changed into a prime (12120002225099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652799037 + ... + 1652806369.

It is an arithmetic number, because the mean of its divisors is an integer number (760595058720).

Almost surely, 2^{12120002221099} is an apocalyptic number.

12120002221099 is a deficient number, since it is larger than the sum of its proper divisors (49518718421).

12120002221099 is an equidigital number, since it uses as much as digits as its factorization.

12120002221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 12120002221099 in words is "twelve trillion, one hundred twenty billion, two million, two hundred twenty-one thousand, ninety-nine".