12000012122209 has 8 divisors (see below), whose sum is σ = 12009250229760. Its totient is φ = 11990775148416.

The previous prime is 12000012122177. The next prime is 12000012122243. The reversal of 12000012122209 is 90222121000021.

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 12000012122209 - 2⁵ = 12000012122177 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 12000012122209.

It is not an unprimeable number, because it can be changed into a prime (12000012122269) 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, 21538104 + ... + 22088230.

It is an arithmetic number, because the mean of its divisors is an integer number (1501156278720).

Almost surely, 2^{12000012122209} is an apocalyptic number.

It is an amenable number.

12000012122209 is a deficient number, since it is larger than the sum of its proper divisors (9238107551).

12000012122209 is a wasteful number, since it uses less digits than its factorization.

12000012122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566879.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 12000012122209 in words is "twelve trillion, twelve million, one hundred twenty-two thousand, two hundred nine".