12213430305 has 16 divisors (see below), whose sum is σ = 19551966720. Its totient is φ = 6510336768.

The previous prime is 12213430291. The next prime is 12213430331. The reversal of 12213430305 is 50303431221.

12213430305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12213430305 - 2⁸ = 12213430049 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189265 + ... + 245454.

It is an arithmetic number, because the mean of its divisors is an integer number (1221997920).

Almost surely, 2^12213430305 is an apocalyptic number.

12213430305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12213430305 is a deficient number, since it is larger than the sum of its proper divisors (7338536415).

12213430305 is a wasteful number, since it uses less digits than its factorization.

12213430305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436600.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 12213430305 its reverse (50303431221), we get a palindrome (62516861526).

The spelling of 12213430305 in words is "twelve billion, two hundred thirteen million, four hundred thirty thousand, three hundred five".