12213002320 has 40 divisors (see below), whose sum is σ = 28433180160. Its totient is φ = 4878672000.

The previous prime is 12213002293. The next prime is 12213002341. The reversal of 12213002320 is 2320031221.

12213002320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12213002294 and 12213002303.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 41560 + ... + 161719.

It is an arithmetic number, because the mean of its divisors is an integer number (710829504).

Almost surely, 2^12213002320 is an apocalyptic number.

12213002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213002320 is an abundant number, since it is smaller than the sum of its proper divisors (16220177840).

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

12213002320 is a wasteful number, since it uses less digits than its factorization.

12213002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204043 (or 204037 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12213002320 its reverse (2320031221), we get a palindrome (14533033541).

The spelling of 12213002320 in words is "twelve billion, two hundred thirteen million, two thousand, three hundred twenty".