12231666205 has 8 divisors (see below), whose sum is σ = 16012363104. Its totient is φ = 8895757200.

The previous prime is 12231666203. The next prime is 12231666247. The reversal of 12231666205 is 50266613221.

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

It is not a de Polignac number, because 12231666205 - 2¹ = 12231666203 is a prime.

It is a super-2 number, since 2×12231666205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231666203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111196911 + ... + 111197020.

It is an arithmetic number, because the mean of its divisors is an integer number (2001545388).

Almost surely, 2^12231666205 is an apocalyptic number.

It is an amenable number.

12231666205 is a deficient number, since it is larger than the sum of its proper divisors (3780696899).

12231666205 is a wasteful number, since it uses less digits than its factorization.

12231666205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222393947.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 12231666205 in words is "twelve billion, two hundred thirty-one million, six hundred sixty-six thousand, two hundred five".