12205666323214 has 48 divisors (see below), whose sum is σ = 22940852302368. Its totient is φ = 4827577382208.

The previous prime is 12205666323211. The next prime is 12205666323233. The reversal of 12205666323214 is 41232366650221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205666323211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4913364 + ... + 6967960.

It is an arithmetic number, because the mean of its divisors is an integer number (477934422966).

Almost surely, 2^{12205666323214} is an apocalyptic number.

12205666323214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12205666323214 is a deficient number, since it is larger than the sum of its proper divisors (10735185979154).

12205666323214 is a wasteful number, since it uses less digits than its factorization.

12205666323214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059289 (or 2059282 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 12205666323214 in words is "twelve trillion, two hundred five billion, six hundred sixty-six million, three hundred twenty-three thousand, two hundred fourteen".