12213333012211 has 4 divisors (see below), whose sum is σ = 12213340443072. Its totient is φ = 12213325581352.

The previous prime is 12213333012173. The next prime is 12213333012227. The reversal of 12213333012211 is 11221033331221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213333012211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213333010211) 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, 34360 + ... + 4942453.

It is an arithmetic number, because the mean of its divisors is an integer number (3053335110768).

Almost surely, 2^{12213333012211} is an apocalyptic number.

12213333012211 is a deficient number, since it is larger than the sum of its proper divisors (7430861).

12213333012211 is an equidigital number, since it uses as much as digits as its factorization.

12213333012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430860.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12213333012211 its reverse (11221033331221), we get a palindrome (23434366343432).

The spelling of 12213333012211 in words is "twelve trillion, two hundred thirteen billion, three hundred thirty-three million, twelve thousand, two hundred eleven".