12222603777 has 4 divisors (see below), whose sum is σ = 16296805040. Its totient is φ = 8148402516.

The previous prime is 12222603761. The next prime is 12222603793. The reversal of 12222603777 is 77730622221.

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 an interprime number because it is at equal distance from previous prime (12222603761) and next prime (12222603793).

It is not a de Polignac number, because 12222603777 - 2⁴ = 12222603761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222603277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037100627 + ... + 2037100632.

It is an arithmetic number, because the mean of its divisors is an integer number (4074201260).

Almost surely, 2^12222603777 is an apocalyptic number.

It is an amenable number.

12222603777 is a deficient number, since it is larger than the sum of its proper divisors (4074201263).

12222603777 is an equidigital number, since it uses as much as digits as its factorization.

12222603777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074201262.

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 12222603777 in words is "twelve billion, two hundred twenty-two million, six hundred three thousand, seven hundred seventy-seven".