12213312232311 has 16 divisors (see below), whose sum is σ = 18093992951520. Its totient is φ = 8142119481600.

The previous prime is 12213312232237. The next prime is 12213312232313. The reversal of 12213312232311 is 11323221331221.

12213312232311 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 3 + 312 + 2 + 32 + 311 = 666.

It is not a de Polignac number, because 12213312232311 - 2¹⁰ = 12213312231287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213312232313) 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 15 ways as a sum of consecutive naturals, for example, 110881 + ... + 4943573.

It is an arithmetic number, because the mean of its divisors is an integer number (1130874559470).

Almost surely, 2^{12213312232311} is an apocalyptic number.

12213312232311 is a deficient number, since it is larger than the sum of its proper divisors (5880680719209).

12213312232311 is an equidigital number, since it uses as much as digits as its factorization.

12213312232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926303 (or 4926297 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 12213312232311 its reverse (11323221331221), we get a palindrome (23536533563532).

The spelling of 12213312232311 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirty-two thousand, three hundred eleven".