12120211000109 has 16 divisors (see below), whose sum is σ = 12767059087680. Its totient is φ = 11474259016320.

The previous prime is 12120211000087. The next prime is 12120211000127. The reversal of 12120211000109 is 90100011202121.

It is a de Polignac number, because none of the positive numbers 2^k-12120211000109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120211000189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289292567 + ... + 289334459.

It is an arithmetic number, because the mean of its divisors is an integer number (797941192980).

Almost surely, 2^{12120211000109} is an apocalyptic number.

12120211000109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12120211000109 is a deficient number, since it is larger than the sum of its proper divisors (646848087571).

12120211000109 is a wasteful number, since it uses less digits than its factorization.

12120211000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52220.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12120211000109 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, one hundred nine", and thus it is an aban number.