12012112120120 has 64 divisors (see below), whose sum is σ = 31411818662400. Its totient is φ = 4048634394240.

The previous prime is 12012112120111. The next prime is 12012112120199. The reversal of 12012112120120 is 2102121121021.

It is a junction number, because it is equal to n+sod(n) for n = 12012112120094 and 12012112120103.

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, 363546196 + ... + 363579235.

It is an arithmetic number, because the mean of its divisors is an integer number (490809666600).

Almost surely, 2^{12012112120120} is an apocalyptic number.

12012112120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012112120120 is an abundant number, since it is smaller than the sum of its proper divisors (19399706542280).

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

12012112120120 is a wasteful number, since it uses less digits than its factorization.

12012112120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727125508 (or 727125504 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012112120120 its reverse (2102121121021), we get a palindrome (14114233241141).

Subtracting from 12012112120120 its reverse (2102121121021), we obtain a palindrome (9909990999099).

The spelling of 12012112120120 in words is "twelve trillion, twelve billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty".