12013222113311 has 4 divisors (see below), whose sum is σ = 12645496961400. Its totient is φ = 11380947265224.

The previous prime is 12013222113289. The next prime is 12013222113313. The reversal of 12013222113311 is 11331122231021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12013222113311 - 2²² = 12013217919007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013222113313) 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, 316137424016 + ... + 316137424053.

It is an arithmetic number, because the mean of its divisors is an integer number (3161374240350).

Almost surely, 2^{12013222113311} is an apocalyptic number.

12013222113311 is a deficient number, since it is larger than the sum of its proper divisors (632274848089).

12013222113311 is an equidigital number, since it uses as much as digits as its factorization.

12013222113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632274848088.

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

Adding to 12013222113311 its reverse (11331122231021), we get a palindrome (23344344344332).

The spelling of 12013222113311 in words is "twelve trillion, thirteen billion, two hundred twenty-two million, one hundred thirteen thousand, three hundred eleven".