12222202220120 has 16 divisors (see below), whose sum is σ = 27499954995360. Its totient is φ = 4888880888032.

The previous prime is 12222202220113. The next prime is 12222202220143. The reversal of 12222202220120 is 2102220222221.

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 = 12222202220092 and 12222202220101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152777527712 + ... + 152777527791.

It is an arithmetic number, because the mean of its divisors is an integer number (1718747187210).

Almost surely, 2^{12222202220120} is an apocalyptic number.

12222202220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222202220120 is an abundant number, since it is smaller than the sum of its proper divisors (15277752775240).

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

12222202220120 is a wasteful number, since it uses less digits than its factorization.

12222202220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305555055514 (or 305555055510 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12222202220120 its reverse (2102220222221), we get a palindrome (14324422442341).

The spelling of 12222202220120 in words is "twelve trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty thousand, one hundred twenty".