12223455677 has 4 divisors (see below), whose sum is σ = 12229067520. Its totient is φ = 12217843836.

The previous prime is 12223455661. The next prime is 12223455683. The reversal of 12223455677 is 77655432221.

12223455677 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 12223455677 - 2⁴ = 12223455661 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223455697) 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, 2802653 + ... + 2807010.

It is an arithmetic number, because the mean of its divisors is an integer number (3057266880).

Almost surely, 2^12223455677 is an apocalyptic number.

It is an amenable number.

12223455677 is a deficient number, since it is larger than the sum of its proper divisors (5611843).

12223455677 is an equidigital number, since it uses as much as digits as its factorization.

12223455677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611842.

The product of its digits is 705600, while the sum is 44.

Adding to 12223455677 its reverse (77655432221), we get a palindrome (89878887898).

The spelling of 12223455677 in words is "twelve billion, two hundred twenty-three million, four hundred fifty-five thousand, six hundred seventy-seven".