12200121122120 has 64 divisors (see below), whose sum is σ = 27737130896640. Its totient is φ = 4829297184000.

The previous prime is 12200121122089. The next prime is 12200121122129. The reversal of 12200121122120 is 2122112100221.

12200121122120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12200121122129) 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, 2251571 + ... + 5428610.

It is an arithmetic number, because the mean of its divisors is an integer number (433392670260).

Almost surely, 2^{12200121122120} is an apocalyptic number.

12200121122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200121122120 is an abundant number, since it is smaller than the sum of its proper divisors (15537009774520).

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

12200121122120 is a wasteful number, since it uses less digits than its factorization.

12200121122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680606 (or 7680602 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12200121122120 its reverse (2122112100221), we get a palindrome (14322233222341).

The spelling of 12200121122120 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty".