12222120303424 has 56 divisors (see below), whose sum is σ = 25091161603200. Its totient is φ = 5899964259840.

The previous prime is 12222120303403. The next prime is 12222120303517. The reversal of 12222120303424 is 42430302122221.

12222120303424 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-2 number, since 2×12222120303424² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12222120303392 and 12222120303401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30669157 + ... + 31065115.

It is an arithmetic number, because the mean of its divisors is an integer number (448056457200).

Almost surely, 2^{12222120303424} is an apocalyptic number.

It is an amenable number.

12222120303424 is an abundant number, since it is smaller than the sum of its proper divisors (12869041299776).

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

12222120303424 is a wasteful number, since it uses less digits than its factorization.

12222120303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412631 (or 412621 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12222120303424 its reverse (42430302122221), we get a palindrome (54652422425645).

The spelling of 12222120303424 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty million, three hundred three thousand, four hundred twenty-four".