12001222321113 has 32 divisors (see below), whose sum is σ = 16766070303744. Its totient is φ = 7621489225152.

The previous prime is 12001222321057. The next prime is 12001222321169. The reversal of 12001222321113 is 31112322210021.

It is an interprime number because it is at equal distance from previous prime (12001222321057) and next prime (12001222321169).

It is not a de Polignac number, because 12001222321113 - 2²⁴ = 12001205543897 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001222321113.

It is not an unprimeable number, because it can be changed into a prime (12001222301113) 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 31 ways as a sum of consecutive naturals, for example, 33662970 + ... + 34017612.

It is an arithmetic number, because the mean of its divisors is an integer number (523939696992).

Almost surely, 2^{12001222321113} is an apocalyptic number.

It is an amenable number.

12001222321113 is a deficient number, since it is larger than the sum of its proper divisors (4764847982631).

12001222321113 is a wasteful number, since it uses less digits than its factorization.

12001222321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356685.

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

Adding to 12001222321113 its reverse (31112322210021), we get a palindrome (43113544531134).

The spelling of 12001222321113 in words is "twelve trillion, one billion, two hundred twenty-two million, three hundred twenty-one thousand, one hundred thirteen".