12266160217 has 4 divisors (see below), whose sum is σ = 12266472400. Its totient is φ = 12265848036.

The previous prime is 12266160211. The next prime is 12266160287. The reversal of 12266160217 is 71206166221.

12266160217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12266160217 - 2³ = 12266160209 is a prime.

It is a super-2 number, since 2×12266160217² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12266160211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86943 + ... + 179140.

It is an arithmetic number, because the mean of its divisors is an integer number (3066618100).

Almost surely, 2^12266160217 is an apocalyptic number.

It is an amenable number.

12266160217 is a deficient number, since it is larger than the sum of its proper divisors (312183).

12266160217 is an equidigital number, since it uses as much as digits as its factorization.

12266160217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312182.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 12266160217 in words is "twelve billion, two hundred sixty-six million, one hundred sixty thousand, two hundred seventeen".