12321124001 has 4 divisors (see below), whose sum is σ = 12324352404. Its totient is φ = 12317895600.

The previous prime is 12321123977. The next prime is 12321124019. The reversal of 12321124001 is 10042112321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11653418401 + 667705600 = 107951^2 + 25840^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321124001 - 2²² = 12316929697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321124021) 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 3 ways as a sum of consecutive naturals, for example, 1608470 + ... + 1616111.

It is an arithmetic number, because the mean of its divisors is an integer number (3081088101).

Almost surely, 2^12321124001 is an apocalyptic number.

It is an amenable number.

12321124001 is a deficient number, since it is larger than the sum of its proper divisors (3228403).

12321124001 is an equidigital number, since it uses as much as digits as its factorization.

12321124001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228402.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12321124001 its reverse (10042112321), we get a palindrome (22363236322).

The spelling of 12321124001 in words is "twelve billion, three hundred twenty-one million, one hundred twenty-four thousand, one".