12012111103109 has 8 divisors (see below), whose sum is σ = 13353413832192. Its totient is φ = 10730421828720.

The previous prime is 12012111103103. The next prime is 12012111103117. The reversal of 12012111103109 is 90130111121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012111103109 - 2⁸ = 12012111102853 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 (12012111103103) 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, 14903363249 + ... + 14903364054.

It is an arithmetic number, because the mean of its divisors is an integer number (1669176729024).

Almost surely, 2^{12012111103109} is an apocalyptic number.

It is an amenable number.

12012111103109 is a deficient number, since it is larger than the sum of its proper divisors (1341302729083).

12012111103109 is a wasteful number, since it uses less digits than its factorization.

12012111103109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29806727347.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 12012111103109 in words is "twelve trillion, twelve billion, one hundred eleven million, one hundred three thousand, one hundred nine".