12227172673 has 4 divisors (see below), whose sum is σ = 12227543488. Its totient is φ = 12226801860.

The previous prime is 12227172653. The next prime is 12227172689. The reversal of 12227172673 is 37627172221.

12227172673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12227172673 - 2⁵ = 12227172641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12227172653) 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 3 ways as a sum of consecutive naturals, for example, 130533 + ... + 203698.

It is an arithmetic number, because the mean of its divisors is an integer number (3056885872).

Almost surely, 2^12227172673 is an apocalyptic number.

It is an amenable number.

12227172673 is a deficient number, since it is larger than the sum of its proper divisors (370815).

12227172673 is an equidigital number, since it uses as much as digits as its factorization.

12227172673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370814.

The product of its digits is 98784, while the sum is 40.

It can be divided in two parts, 12227 and 172673, that added together give a square (184900 = 430²).

The spelling of 12227172673 in words is "twelve billion, two hundred twenty-seven million, one hundred seventy-two thousand, six hundred seventy-three".