12321133121201 has 4 divisors (see below), whose sum is σ = 12321160509504. Its totient is φ = 12321105732900.

The previous prime is 12321133121147. The next prime is 12321133121287. The reversal of 12321133121201 is 10212133112321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321133121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321133120201) 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 3 ways as a sum of consecutive naturals, for example, 13007885 + ... + 13922906.

It is an arithmetic number, because the mean of its divisors is an integer number (3080290127376).

Almost surely, 2^{12321133121201} is an apocalyptic number.

It is an amenable number.

12321133121201 is a deficient number, since it is larger than the sum of its proper divisors (27388303).

12321133121201 is an equidigital number, since it uses as much as digits as its factorization.

12321133121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27388302.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12321133121201 its reverse (10212133112321), we get a palindrome (22533266233522).

The spelling of 12321133121201 in words is "twelve trillion, three hundred twenty-one billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred one".