12102122120120 has 32 divisors (see below), whose sum is σ = 27636189325200. Its totient is φ = 4768597371648.

The previous prime is 12102122120119. The next prime is 12102122120129. The reversal of 12102122120120 is 2102122120121.

It is a super-2 number, since 2×12102122120120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102122120129) 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, 2257855925 + ... + 2257861284.

Almost surely, 2^{12102122120120} is an apocalyptic number.

12102122120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102122120120 is an abundant number, since it is smaller than the sum of its proper divisors (15534067205080).

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

12102122120120 is a wasteful number, since it uses less digits than its factorization.

12102122120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515717287 (or 4515717283 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12102122120120 its reverse (2102122120121), we get a palindrome (14204244240241).

Subtracting from 12102122120120 its reverse (2102122120121), we obtain a palindrome (9999999999999).

The spelling of 12102122120120 in words is "twelve trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty".