12221120013232 has 40 divisors (see below), whose sum is σ = 25500140195600. Its totient is φ = 5640449852160.

The previous prime is 12221120013199. The next prime is 12221120013253. The reversal of 12221120013232 is 23231002112221.

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, 20035894 + ... + 20636842.

It is an arithmetic number, because the mean of its divisors is an integer number (637503504890).

Almost surely, 2^{12221120013232} is an apocalyptic number.

It is an amenable number.

12221120013232 is an abundant number, since it is smaller than the sum of its proper divisors (13279020182368).

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

12221120013232 is a wasteful number, since it uses less digits than its factorization.

12221120013232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698741 (or 698735 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12221120013232 its reverse (23231002112221), we get a palindrome (35452122125453).

The spelling of 12221120013232 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, thirteen thousand, two hundred thirty-two".