12222012210120 has 48 divisors (see below), whose sum is σ = 39721539684060. Its totient is φ = 3259203255936.

The previous prime is 12222012210097. The next prime is 12222012210151. The reversal of 12222012210120 is 2101221022221.

It is a happy number.

12222012210120 is a `hidden beast` number, since 1 + 222 + 201 + 221 + 0 + 1 + 20 = 666.

12222012210120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10771090780356 + 1450921429764 = 3281934^2 + 1204542^2 .

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 = 12222012210093 and 12222012210102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16975016599 + ... + 16975017318.

Almost surely, 2^{12222012210120} is an apocalyptic number.

12222012210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222012210120 is an abundant number, since it is smaller than the sum of its proper divisors (27499527473940).

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

12222012210120 is a wasteful number, since it uses less digits than its factorization.

12222012210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33950033934 (or 33950033927 counting only the distinct ones).

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

Adding to 12222012210120 its reverse (2101221022221), we get a palindrome (14323233232341).

The spelling of 12222012210120 in words is "twelve trillion, two hundred twenty-two billion, twelve million, two hundred ten thousand, one hundred twenty".