12213233316 has 72 divisors (see below), whose sum is σ = 31587663744. Its totient is φ = 3977071680.

The previous prime is 12213233297. The next prime is 12213233317. The reversal of 12213233316 is 61333231221.

12213233316 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 323 + 331 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12213233316.

It is not an unprimeable number, because it can be changed into a prime (12213233317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946186 + ... + 959006.

It is an arithmetic number, because the mean of its divisors is an integer number (438717552).

Almost surely, 2^12213233316 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 12213233316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15793831872).

12213233316 is an abundant number, since it is smaller than the sum of its proper divisors (19374430428).

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

12213233316 is a wasteful number, since it uses less digits than its factorization.

12213233316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13441 (or 13436 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 12213233316 its reverse (61333231221), we get a palindrome (73546464537).

The spelling of 12213233316 in words is "twelve billion, two hundred thirteen million, two hundred thirty-three thousand, three hundred sixteen".