12100121212120 has 64 divisors (see below), whose sum is σ = 27285729271200. Its totient is φ = 4829312593920.

The previous prime is 12100121212097. The next prime is 12100121212141. The reversal of 12100121212120 is 2121212100121.

It is a junction number, because it is equal to n+sod(n) for n = 12100121212094 and 12100121212103.

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, 32403675 + ... + 32774965.

Almost surely, 2^{12100121212120} is an apocalyptic number.

12100121212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100121212120 is an abundant number, since it is smaller than the sum of its proper divisors (15185608059080).

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

12100121212120 is a wasteful number, since it uses less digits than its factorization.

12100121212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373108 (or 373104 counting only the distinct ones).

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

Adding to 12100121212120 its reverse (2121212100121), we get a palindrome (14221333312241).

The spelling of 12100121212120 in words is "twelve trillion, one hundred billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twenty".