12321800641 has 8 divisors (see below), whose sum is σ = 12347566560. Its totient is φ = 12296056512.

The previous prime is 12321800573. The next prime is 12321800653. The reversal of 12321800641 is 14600812321.

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 12321800641 - 2⁹ = 12321800129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321804641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577241 + ... + 1585033.

It is an arithmetic number, because the mean of its divisors is an integer number (1543445820).

Almost surely, 2^12321800641 is an apocalyptic number.

It is an amenable number.

12321800641 is a deficient number, since it is larger than the sum of its proper divisors (25765919).

12321800641 is an equidigital number, since it uses as much as digits as its factorization.

12321800641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10895.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 12321800641 in words is "twelve billion, three hundred twenty-one million, eight hundred thousand, six hundred forty-one".