12213223120 has 40 divisors (see below), whose sum is σ = 32452280064. Its totient is φ = 4187390592.

The previous prime is 12213223111. The next prime is 12213223129. The reversal of 12213223120 is 2132231221.

It is an interprime number because it is at equal distance from previous prime (12213223111) and next prime (12213223129).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213223129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10904104 + ... + 10905223.

Almost surely, 2^12213223120 is an apocalyptic number.

12213223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213223120 is an abundant number, since it is smaller than the sum of its proper divisors (20239056944).

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

12213223120 is a wasteful number, since it uses less digits than its factorization.

12213223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21809347 (or 21809341 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12213223120 its reverse (2132231221), we get a palindrome (14345454341).

The spelling of 12213223120 in words is "twelve billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred twenty".