12213312323111 has 4 divisors (see below), whose sum is σ = 12219130959000. Its totient is φ = 12207493687224.

The previous prime is 12213312323011. The next prime is 12213312323119. The reversal of 12213312323111 is 11132321331221.

12213312323111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12213312323111 - 2¹⁸ = 12213312060967 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 (12213312323119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909314796 + ... + 2909318993.

It is an arithmetic number, because the mean of its divisors is an integer number (3054782739750).

Almost surely, 2^{12213312323111} is an apocalyptic number.

12213312323111 is a deficient number, since it is larger than the sum of its proper divisors (5818635889).

12213312323111 is an equidigital number, since it uses as much as digits as its factorization.

12213312323111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818635888.

The product of its digits is 1296, while the sum is 26.

Adding to 12213312323111 its reverse (11132321331221), we get a palindrome (23345633654332).

The spelling of 12213312323111 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, three hundred twenty-three thousand, one hundred eleven".