12222100000109 has 4 divisors (see below), whose sum is σ = 12275471616060. Its totient is φ = 12168728384160.

The previous prime is 12222100000079. The next prime is 12222100000157. The reversal of 12222100000109 is 90100000122221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7487080480009 + 4735019520100 = 2736253^2 + 2176010^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222100000109 - 2⁸ = 12222099999853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222100900109) 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, 26685807632 + ... + 26685808089.

It is an arithmetic number, because the mean of its divisors is an integer number (3068867904015).

Almost surely, 2^{12222100000109} is an apocalyptic number.

It is an amenable number.

12222100000109 is a deficient number, since it is larger than the sum of its proper divisors (53371615951).

12222100000109 is an equidigital number, since it uses as much as digits as its factorization.

12222100000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53371615950.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12222100000109 in words is "twelve trillion, two hundred twenty-two billion, one hundred million, one hundred nine", and thus it is an aban number.