12235109 has 2 divisors, whose sum is σ = 12235110. Its totient is φ = 12235108.

The previous prime is 12235099. The next prime is 12235147. The reversal of 12235109 is 90153221.

12235109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 1898884 = 3215^2 + 1378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12235109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12235159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117554 + 6117555.

It is an arithmetic number, because the mean of its divisors is an integer number (6117555).

Almost surely, 2^12235109 is an apocalyptic number.

It is an amenable number.

12235109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12235109 is an equidigital number, since it uses as much as digits as its factorization.

12235109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12235109 is about 3497.8720674147. The cubic root of 12235109 is about 230.4283699171.

The spelling of 12235109 in words is "twelve million, two hundred thirty-five thousand, one hundred nine".