12102112001109 has 16 divisors (see below), whose sum is σ = 17531173824192. Its totient is φ = 7381546867968.

The previous prime is 12102112001107. The next prime is 12102112001183. The reversal of 12102112001109 is 90110021120121.

It is not a de Polignac number, because 12102112001109 - 2¹ = 12102112001107 is a prime.

It is a super-3 number, since 3×12102112001109³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102112001107) 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, 1373051187 + ... + 1373060000.

It is an arithmetic number, because the mean of its divisors is an integer number (1095698364012).

Almost surely, 2^{12102112001109} is an apocalyptic number.

It is an amenable number.

12102112001109 is a deficient number, since it is larger than the sum of its proper divisors (5429061823083).

12102112001109 is a wasteful number, since it uses less digits than its factorization.

12102112001109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746111316.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 12102112001109 in words is "twelve trillion, one hundred two billion, one hundred twelve million, one thousand, one hundred nine".