12021110221232 has 80 divisors (see below), whose sum is σ = 27542403840000. Its totient is φ = 4973814236160.

The previous prime is 12021110221181. The next prime is 12021110221273. The reversal of 12021110221232 is 23212201112021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2676857 + ... + 5586392.

It is an arithmetic number, because the mean of its divisors is an integer number (344280048000).

Almost surely, 2^{12021110221232} is an apocalyptic number.

It is an amenable number.

12021110221232 is an abundant number, since it is smaller than the sum of its proper divisors (15521293618768).

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

12021110221232 is a wasteful number, since it uses less digits than its factorization.

12021110221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8263714 (or 8263708 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12021110221232 its reverse (23212201112021), we get a palindrome (35233311333253).

The spelling of 12021110221232 in words is "twelve trillion, twenty-one billion, one hundred ten million, two hundred twenty-one thousand, two hundred thirty-two".