12211122309 has 8 divisors (see below), whose sum is σ = 16390768800. Its totient is φ = 8086112016.

The previous prime is 12211122299. The next prime is 12211122317. The reversal of 12211122309 is 90322111221.

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

It is not a de Polignac number, because 12211122309 - 2¹⁷ = 12210991237 is a prime.

It is a super-2 number, since 2×12211122309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211122359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13658527 + ... + 13659420.

It is an arithmetic number, because the mean of its divisors is an integer number (2048846100).

Almost surely, 2^12211122309 is an apocalyptic number.

It is an amenable number.

12211122309 is a deficient number, since it is larger than the sum of its proper divisors (4179646491).

12211122309 is a wasteful number, since it uses less digits than its factorization.

12211122309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27318099.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 12211122309 in words is "twelve billion, two hundred eleven million, one hundred twenty-two thousand, three hundred nine".