12010012112109 has 16 divisors (see below), whose sum is σ = 17470309768704. Its totient is φ = 7278294702000.

The previous prime is 12010012112009. The next prime is 12010012112149. The reversal of 12010012112109 is 90121121001021.

12010012112109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12010012112109 - 2²⁵ = 12009978557677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010012112149) 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, 12025479 + ... + 12985844.

It is an arithmetic number, because the mean of its divisors is an integer number (1091894360544).

Almost surely, 2^{12010012112109} is an apocalyptic number.

It is an amenable number.

12010012112109 is a deficient number, since it is larger than the sum of its proper divisors (5460297656595).

12010012112109 is a wasteful number, since it uses less digits than its factorization.

12010012112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25025888.

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

It can be divided in two parts, 12010012 and 112109, that added together give a palindrome (12122121).

The spelling of 12010012112109 in words is "twelve trillion, ten billion, twelve million, one hundred twelve thousand, one hundred nine".