12221120222432 has 24 divisors (see below), whose sum is σ = 26247633205752. Its totient is φ = 5555054646400.

The previous prime is 12221120222419. The next prime is 12221120222453. The reversal of 12221120222432 is 23422202112221.

12221120222432 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 2×12221120222432² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17359545419 + ... + 17359546122.

It is an arithmetic number, because the mean of its divisors is an integer number (1093651383573).

Almost surely, 2^{12221120222432} is an apocalyptic number.

It is an amenable number.

12221120222432 is an abundant number, since it is smaller than the sum of its proper divisors (14026512983320).

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

12221120222432 is a wasteful number, since it uses less digits than its factorization.

12221120222432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34719091562 (or 34719091554 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12221120222432 its reverse (23422202112221), we get a palindrome (35643322334653).

The spelling of 12221120222432 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, four hundred thirty-two".