12267112217205 has 8 divisors (see below), whose sum is σ = 19627379547552. Its totient is φ = 6542459849168.

The previous prime is 12267112217203. The next prime is 12267112217233. The reversal of 12267112217205 is 50271221176221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12267112217205 - 2¹ = 12267112217203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267112217203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408903740559 + ... + 408903740588.

It is an arithmetic number, because the mean of its divisors is an integer number (2453422443444).

Almost surely, 2^{12267112217205} is an apocalyptic number.

12267112217205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12267112217205 is a deficient number, since it is larger than the sum of its proper divisors (7360267330347).

12267112217205 is an equidigital number, since it uses as much as digits as its factorization.

12267112217205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817807481155.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 12267112217205 in words is "twelve trillion, two hundred sixty-seven billion, one hundred twelve million, two hundred seventeen thousand, two hundred five".