12222221201120 has 96 divisors (see below), whose sum is σ = 33005935505088. Its totient is φ = 4189721776128.

The previous prime is 12222221201111. The next prime is 12222221201129. The reversal of 12222221201120 is 2110212222221.

It is an interprime number because it is at equal distance from previous prime (12222221201111) and next prime (12222221201129).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12222221201092 and 12222221201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222221201129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5262692 + ... + 7220828.

It is an arithmetic number, because the mean of its divisors is an integer number (343811828178).

Almost surely, 2^{12222221201120} is an apocalyptic number.

12222221201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222221201120 is an abundant number, since it is smaller than the sum of its proper divisors (20783714303968).

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

12222221201120 is a wasteful number, since it uses less digits than its factorization.

12222221201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963732 (or 1963724 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12222221201120 its reverse (2110212222221), we get a palindrome (14332433423341).

The spelling of 12222221201120 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty".