12122201220120 has 64 divisors (see below), whose sum is σ = 40407337404000. Its totient is φ = 3232586991744.

The previous prime is 12122201220049. The next prime is 12122201220131. The reversal of 12122201220120 is 2102210222121.

It is a happy number.

12122201220120 is a `hidden beast` number, since 1 + 2 + 122 + 201 + 220 + 120 = 666.

12122201220120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12122201220093 and 12122201220102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5612129115 + ... + 5612131274.

Almost surely, 2^{12122201220120} is an apocalyptic number.

12122201220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122201220120 is an abundant number, since it is smaller than the sum of its proper divisors (28285136183880).

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

12122201220120 is a wasteful number, since it uses less digits than its factorization.

12122201220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11224260409 (or 11224260399 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122201220120 its reverse (2102210222121), we get a palindrome (14224411442241).

The spelling of 12122201220120 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty thousand, one hundred twenty".