12102112121120 has 48 divisors (see below), whose sum is σ = 32675702730048. Its totient is φ = 4149295584000.

The previous prime is 12102112121111. The next prime is 12102112121123. The reversal of 12102112121120 is 2112121120121.

It is a super-2 number, since 2×12102112121120² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102112121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5402727506 + ... + 5402729745.

It is an arithmetic number, because the mean of its divisors is an integer number (680743806876).

Almost surely, 2^{12102112121120} is an apocalyptic number.

12102112121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102112121120 is an abundant number, since it is smaller than the sum of its proper divisors (20573590608928).

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

12102112121120 is a wasteful number, since it uses less digits than its factorization.

12102112121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805457273 (or 10805457265 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12102112121120 its reverse (2112121120121), we get a palindrome (14214233241241).

The spelling of 12102112121120 in words is "twelve trillion, one hundred two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty".