12213312331133 has 4 divisors (see below), whose sum is σ = 12511197997788. Its totient is φ = 11915426664480.

The previous prime is 12213312331111. The next prime is 12213312331141. The reversal of 12213312331133 is 33113321331221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5585555570884 + 6627756760249 = 2363378^2 + 2574443^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213312331133 - 2¹² = 12213312327037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213312331096 and 12213312331105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213312331333) 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, 148942833266 + ... + 148942833347.

It is an arithmetic number, because the mean of its divisors is an integer number (3127799499447).

Almost surely, 2^{12213312331133} is an apocalyptic number.

It is an amenable number.

12213312331133 is a deficient number, since it is larger than the sum of its proper divisors (297885666655).

12213312331133 is an equidigital number, since it uses as much as digits as its factorization.

12213312331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297885666654.

The product of its digits is 5832, while the sum is 29.

Adding to 12213312331133 its reverse (33113321331221), we get a palindrome (45326633662354).

The spelling of 12213312331133 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, three hundred thirty-one thousand, one hundred thirty-three".