12213004120 has 64 divisors (see below), whose sum is σ = 28139400000. Its totient is φ = 4768777728.

The previous prime is 12213004061. The next prime is 12213004127. The reversal of 12213004120 is 2140031221.

It is a junction number, because it is equal to n+sod(n) for n = 12213004094 and 12213004103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213004127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407406 + ... + 436354.

It is an arithmetic number, because the mean of its divisors is an integer number (439678125).

Almost surely, 2^12213004120 is an apocalyptic number.

12213004120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12213004120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14069700000).

12213004120 is an abundant number, since it is smaller than the sum of its proper divisors (15926395880).

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

12213004120 is a wasteful number, since it uses less digits than its factorization.

12213004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29212 (or 29208 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12213004120 its reverse (2140031221), we get a palindrome (14353035341).

The spelling of 12213004120 in words is "twelve billion, two hundred thirteen million, four thousand, one hundred twenty".