12112013222009 has 2 divisors, whose sum is σ = 12112013222010. Its totient is φ = 12112013222008.

The previous prime is 12112013221969. The next prime is 12112013222129. The reversal of 12112013222009 is 90022231021121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12096463132009 + 15550090000 = 3477997^2 + 124700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112013222009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112013212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056006611004 + 6056006611005.

It is an arithmetic number, because the mean of its divisors is an integer number (6056006611005).

Almost surely, 2^{12112013222009} is an apocalyptic number.

It is an amenable number.

12112013222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112013222009 is an equidigital number, since it uses as much as digits as its factorization.

12112013222009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12112013222009 in words is "twelve trillion, one hundred twelve billion, thirteen million, two hundred twenty-two thousand, nine".