112122012209 has 2 divisors, whose sum is σ = 112122012210. Its totient is φ = 112122012208.

The previous prime is 112122012187. The next prime is 112122012221. The reversal of 112122012209 is 902210221211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98031610000 + 14090402209 = 313100^2 + 118703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112122012209 is a prime.

It is not a weakly prime, because it can be changed into another prime (112122012269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061006104 + 56061006105.

It is an arithmetic number, because the mean of its divisors is an integer number (56061006105).

Almost surely, 2^112122012209 is an apocalyptic number.

It is an amenable number.

112122012209 is a deficient number, since it is larger than the sum of its proper divisors (1).

112122012209 is an equidigital number, since it uses as much as digits as its factorization.

112122012209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 112122012209 in words is "one hundred twelve billion, one hundred twenty-two million, twelve thousand, two hundred nine".