12213300221220 has 48 divisors (see below), whose sum is σ = 39082560709248. Its totient is φ = 2791611479040.

The previous prime is 12213300221167. The next prime is 12213300221347. The reversal of 12213300221220 is 2212200331221.

12213300221220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12213300221220³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14539642701 + ... + 14539643540.

It is an arithmetic number, because the mean of its divisors is an integer number (814220014776).

Almost surely, 2^{12213300221220} is an apocalyptic number.

12213300221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213300221220 is an abundant number, since it is smaller than the sum of its proper divisors (26869260488028).

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

12213300221220 is a wasteful number, since it uses less digits than its factorization.

12213300221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29079286260 (or 29079286258 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12213300221220 its reverse (2212200331221), we get a palindrome (14425500552441).

The spelling of 12213300221220 in words is "twelve trillion, two hundred thirteen billion, three hundred million, two hundred twenty-one thousand, two hundred twenty".