12221001120 has 48 divisors (see below), whose sum is σ = 38496155040. Its totient is φ = 3258933504.

The previous prime is 12221001113. The next prime is 12221001151. The reversal of 12221001120 is 2110012221.

12221001120 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 (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12221001096 and 12221001105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12729730 + ... + 12730689.

It is an arithmetic number, because the mean of its divisors is an integer number (802003230).

Almost surely, 2^12221001120 is an apocalyptic number.

12221001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221001120 is an abundant number, since it is smaller than the sum of its proper divisors (26275153920).

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

12221001120 is a wasteful number, since it uses less digits than its factorization.

12221001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25460437 (or 25460429 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12221001120 its reverse (2110012221), we get a palindrome (14331013341).

The spelling of 12221001120 in words is "twelve billion, two hundred twenty-one million, one thousand, one hundred twenty".