12100101200120 has 32 divisors (see below), whose sum is σ = 27225587894400. Its totient is φ = 4839976445568.

The previous prime is 12100101200081. The next prime is 12100101200129. The reversal of 12100101200120 is 2100210100121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100101200129) 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, 1120217 + ... + 5045303.

It is an arithmetic number, because the mean of its divisors is an integer number (850799621700).

Almost surely, 2^{12100101200120} is an apocalyptic number.

12100101200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100101200120 is an abundant number, since it is smaller than the sum of its proper divisors (15125486694280).

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

12100101200120 is a wasteful number, since it uses less digits than its factorization.

12100101200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002167 (or 4002163 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100101200120 its reverse (2100210100121), we get a palindrome (14200311300241).

The spelling of 12100101200120 in words is "twelve trillion, one hundred billion, one hundred one million, two hundred thousand, one hundred twenty".