12321666041 has 8 divisors (see below), whose sum is σ = 12971253600. Its totient is φ = 11672186400.

The previous prime is 12321666001. The next prime is 12321666047. The reversal of 12321666041 is 14066612321.

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

It is not a de Polignac number, because 12321666041 - 2¹⁰ = 12321665017 is a prime.

It is a super-2 number, since 2×12321666041² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321665989 and 12321666007.

It is not an unprimeable number, because it can be changed into a prime (12321666047) 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, 325766 + ... + 361616.

It is an arithmetic number, because the mean of its divisors is an integer number (1621406700).

Almost surely, 2^12321666041 is an apocalyptic number.

It is an amenable number.

12321666041 is a deficient number, since it is larger than the sum of its proper divisors (649587559).

12321666041 is a wasteful number, since it uses less digits than its factorization.

12321666041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53959.

The product of its (nonzero) digits is 10368, while the sum is 32.

Subtracting from 12321666041 its sum of digits (32), we obtain a square (12321666009 = 111003²).

The spelling of 12321666041 in words is "twelve billion, three hundred twenty-one million, six hundred sixty-six thousand, forty-one".