12000011122109 has 4 divisors (see below), whose sum is σ = 12000039755040. Its totient is φ = 11999982489180.

The previous prime is 12000011122103. The next prime is 12000011122129. The reversal of 12000011122109 is 90122111000021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12000011122109 - 2¹⁶ = 12000011056573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000011122103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13678337 + ... + 14529174.

It is an arithmetic number, because the mean of its divisors is an integer number (3000009938760).

Almost surely, 2^{12000011122109} is an apocalyptic number.

It is an amenable number.

12000011122109 is a deficient number, since it is larger than the sum of its proper divisors (28632931).

12000011122109 is an equidigital number, since it uses as much as digits as its factorization.

12000011122109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632930.

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

The spelling of 12000011122109 in words is "twelve trillion, eleven million, one hundred twenty-two thousand, one hundred nine".