12221421131120 has 80 divisors (see below), whose sum is σ = 30126758639040. Its totient is φ = 4594812751872.

The previous prime is 12221421131093. The next prime is 12221421131149. The reversal of 12221421131120 is 2113112412221.

12221421131120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 5036855 + ... + 7057814.

It is an arithmetic number, because the mean of its divisors is an integer number (376584482988).

Almost surely, 2^{12221421131120} is an apocalyptic number.

12221421131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221421131120 is an abundant number, since it is smaller than the sum of its proper divisors (17905337507920).

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

12221421131120 is a wasteful number, since it uses less digits than its factorization.

12221421131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095442 (or 12095436 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12221421131120 its reverse (2113112412221), we get a palindrome (14334533543341).

The spelling of 12221421131120 in words is "twelve trillion, two hundred twenty-one billion, four hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty".