12002202221120 has 112 divisors (see below), whose sum is σ = 30289136452848. Its totient is φ = 4514339880960.

The previous prime is 12002202221089. The next prime is 12002202221123. The reversal of 12002202221120 is 2112220220021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3076544064064 + 8925658157056 = 1754008^2 + 2987584^2 .

It is a super-2 number, since 2×12002202221120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (12002202221123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4936640 + ... + 6955200.

It is an arithmetic number, because the mean of its divisors is an integer number (270438718329).

Almost surely, 2^{12002202221120} is an apocalyptic number.

12002202221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002202221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15144568226424).

12002202221120 is an abundant number, since it is smaller than the sum of its proper divisors (18286934231728).

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

12002202221120 is a wasteful number, since it uses less digits than its factorization.

12002202221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019688 (or 2019678 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002202221120 its reverse (2112220220021), we get a palindrome (14114422441141).

The spelling of 12002202221120 in words is "twelve trillion, two billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty".