12213534304 has 48 divisors (see below), whose sum is σ = 24973401600. Its totient is φ = 5875490944.

The previous prime is 12213534271. The next prime is 12213534317. The reversal of 12213534304 is 40343531221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19917 + ... + 157555.

It is an arithmetic number, because the mean of its divisors is an integer number (520279200).

Almost surely, 2^12213534304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12213534304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12486700800).

12213534304 is an abundant number, since it is smaller than the sum of its proper divisors (12759867296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12213534304 is a wasteful number, since it uses less digits than its factorization.

12213534304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137755 (or 137747 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 12213534304 in words is "twelve billion, two hundred thirteen million, five hundred thirty-four thousand, three hundred four".