12001231011109 has 8 divisors (see below), whose sum is σ = 12114123257088. Its totient is φ = 11888352306240.

The previous prime is 12001231011073. The next prime is 12001231011149. The reversal of 12001231011109 is 90111013210021.

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

It is not a de Polignac number, because 12001231011109 - 2⁷ = 12001231010981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001231011109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001231011149) 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, 1599972 + ... + 5153869.

It is an arithmetic number, because the mean of its divisors is an integer number (1514265407136).

Almost surely, 2^{12001231011109} is an apocalyptic number.

It is an amenable number.

12001231011109 is a deficient number, since it is larger than the sum of its proper divisors (112892245979).

12001231011109 is a wasteful number, since it uses less digits than its factorization.

12001231011109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770555.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 12001231011109 in words is "twelve trillion, one billion, two hundred thirty-one million, eleven thousand, one hundred nine".