112212011201209 has 2 divisors, whose sum is σ = 112212011201210. Its totient is φ = 112212011201208.

The previous prime is 112212011201161. The next prime is 112212011201243. The reversal of 112212011201209 is 902102110212211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112065936654400 + 146074546809 = 10586120^2 + 382197^2 .

It is a cyclic number.

It is not a de Polignac number, because 112212011201209 - 2²⁵ = 112211977646777 is a prime.

It is not a weakly prime, because it can be changed into another prime (112212011201309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106005600604 + 56106005600605.

It is an arithmetic number, because the mean of its divisors is an integer number (56106005600605).

Almost surely, 2^{112212011201209} is an apocalyptic number.

It is an amenable number.

112212011201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212011201209 is an equidigital number, since it uses as much as digits as its factorization.

112212011201209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 112212011201209 in words is "one hundred twelve trillion, two hundred twelve billion, eleven million, two hundred one thousand, two hundred nine".