12120022210220 has 48 divisors (see below), whose sum is σ = 25695644590560. Its totient is φ = 4801828663296.

The previous prime is 12120022210213. The next prime is 12120022210249. The reversal of 12120022210220 is 2201222002121.

It is a happy number.

It is an unprimeable number.

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, 5971742 + ... + 7739621.

It is an arithmetic number, because the mean of its divisors is an integer number (535325928970).

Almost surely, 2^{12120022210220} is an apocalyptic number.

12120022210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120022210220 is an abundant number, since it is smaller than the sum of its proper divisors (13575622380340).

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

12120022210220 is a wasteful number, since it uses less digits than its factorization.

12120022210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13711794 (or 13711792 counting only the distinct ones).

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

Adding to 12120022210220 its reverse (2201222002121), we get a palindrome (14321244212341).

The spelling of 12120022210220 in words is "twelve trillion, one hundred twenty billion, twenty-two million, two hundred ten thousand, two hundred twenty".