12213303311 has 6 divisors (see below), whose sum is σ = 13424540136. Its totient is φ = 11103002900.

The previous prime is 12213303259. The next prime is 12213303391. The reversal of 12213303311 is 11330331221.

It is a de Polignac number, because none of the positive numbers 2^k-12213303311 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 (12213303391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50468075 + ... + 50468316.

It is an arithmetic number, because the mean of its divisors is an integer number (2237423356).

Almost surely, 2^12213303311 is an apocalyptic number.

12213303311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213303311 is a deficient number, since it is larger than the sum of its proper divisors (1211236825).

12213303311 is a wasteful number, since it uses less digits than its factorization.

12213303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100936413 (or 100936402 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12213303311 its reverse (11330331221), we get a palindrome (23543634532).

The spelling of 12213303311 in words is "twelve billion, two hundred thirteen million, three hundred three thousand, three hundred eleven".