12213534305 has 48 divisors (see below), whose sum is σ = 17715366144. Its totient is φ = 7917436800.

The previous prime is 12213534271. The next prime is 12213534317. The reversal of 12213534305 is 50343531221.

It is a happy number.

It is not a de Polignac number, because 12213534305 - 2¹⁶ = 12213468769 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 9387155 + ... + 9388455.

It is an arithmetic number, because the mean of its divisors is an integer number (369070128).

Almost surely, 2^12213534305 is an apocalyptic number.

It is an amenable number.

12213534305 is a deficient number, since it is larger than the sum of its proper divisors (5501831839).

12213534305 is a wasteful number, since it uses less digits than its factorization.

12213534305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 12213534305 in words is "twelve billion, two hundred thirteen million, five hundred thirty-four thousand, three hundred five".