12011122212209 has 8 divisors (see below), whose sum is σ = 12063924579168. Its totient is φ = 11958408665280.

The previous prime is 12011122212197. The next prime is 12011122212247. The reversal of 12011122212209 is 90221222111021.

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 12011122212209 - 2³² = 12006827244913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011122218209) 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, 21933947 + ... + 22474880.

It is an arithmetic number, because the mean of its divisors is an integer number (1507990572396).

Almost surely, 2^{12011122212209} is an apocalyptic number.

It is an amenable number.

12011122212209 is a deficient number, since it is larger than the sum of its proper divisors (52802366959).

12011122212209 is an equidigital number, since it uses as much as digits as its factorization.

12011122212209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44410015.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12011122212209 in words is "twelve trillion, eleven billion, one hundred twenty-two million, two hundred twelve thousand, two hundred nine".