12011322112213 has 8 divisors (see below), whose sum is σ = 12051711320600. Its totient is φ = 11970967034880.

The previous prime is 12011322112193. The next prime is 12011322112241. The reversal of 12011322112213 is 31221122311021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2095612350129 + 9915709762084 = 1447623^2 + 3148922^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011322112213 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 (12011322119213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7827648 + ... + 9235513.

It is an arithmetic number, because the mean of its divisors is an integer number (1506463915075).

Almost surely, 2^{12011322112213} is an apocalyptic number.

It is an amenable number.

12011322112213 is a deficient number, since it is larger than the sum of its proper divisors (40389208387).

12011322112213 is a wasteful number, since it uses less digits than its factorization.

12011322112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17065527.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12011322112213 its reverse (31221122311021), we get a palindrome (43232444423234).

The spelling of 12011322112213 in words is "twelve trillion, eleven billion, three hundred twenty-two million, one hundred twelve thousand, two hundred thirteen".