12223532191 has 16 divisors (see below), whose sum is σ = 13450881024. Its totient is φ = 11037445344.

The previous prime is 12223532177. The next prime is 12223532197. The reversal of 12223532191 is 19123532221.

12223532191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12223532191 - 2¹³ = 12223523999 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 (12223532197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549840 + ... + 1557706.

It is an arithmetic number, because the mean of its divisors is an integer number (840680064).

Almost surely, 2^12223532191 is an apocalyptic number.

12223532191 is a deficient number, since it is larger than the sum of its proper divisors (1227348833).

12223532191 is a wasteful number, since it uses less digits than its factorization.

12223532191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10470.

The product of its digits is 6480, while the sum is 31.

The spelling of 12223532191 in words is "twelve billion, two hundred twenty-three million, five hundred thirty-two thousand, one hundred ninety-one".