12227373577 has 4 divisors (see below), whose sum is σ = 12248863380. Its totient is φ = 12205883776.

The previous prime is 12227373541. The next prime is 12227373583. The reversal of 12227373577 is 77537372221.

12227373577 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2260146681 + 9967226896 = 47541^2 + 99836^2 .

It is a cyclic number.

It is not a de Polignac number, because 12227373577 - 2²⁷ = 12093155849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12227373527) 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, 10744048 + ... + 10745185.

It is an arithmetic number, because the mean of its divisors is an integer number (3062215845).

Almost surely, 2^12227373577 is an apocalyptic number.

It is an amenable number.

12227373577 is a deficient number, since it is larger than the sum of its proper divisors (21489803).

12227373577 is an equidigital number, since it uses as much as digits as its factorization.

12227373577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21489802.

The product of its digits is 864360, while the sum is 46.

The spelling of 12227373577 in words is "twelve billion, two hundred twenty-seven million, three hundred seventy-three thousand, five hundred seventy-seven".