12311222321001 has 8 divisors (see below), whose sum is σ = 16497450347200. Its totient is φ = 8166237921072.

The previous prime is 12311222320987. The next prime is 12311222321011. The reversal of 12311222321001 is 10012322211321.

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

It is not a de Polignac number, because 12311222321001 - 2³⁹ = 11761466507113 is a prime.

It is a super-2 number, since 2×12311222321001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311222321011) 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, 10310905870 + ... + 10310907063.

It is an arithmetic number, because the mean of its divisors is an integer number (2062181293400).

Almost surely, 2^{12311222321001} is an apocalyptic number.

It is an amenable number.

12311222321001 is a deficient number, since it is larger than the sum of its proper divisors (4186228026199).

12311222321001 is a wasteful number, since it uses less digits than its factorization.

12311222321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621813135.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12311222321001 its reverse (10012322211321), we get a palindrome (22323544532322).

The spelling of 12311222321001 in words is "twelve trillion, three hundred eleven billion, two hundred twenty-two million, three hundred twenty-one thousand, one".