12223503977 has 2 divisors, whose sum is σ = 12223503978. Its totient is φ = 12223503976.

The previous prime is 12223503953. The next prime is 12223503979. The reversal of 12223503977 is 77930532221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7683574336 + 4539929641 = 87656^2 + 67379^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223503977 - 2¹⁴ = 12223487593 is a prime.

Together with 12223503979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12223503979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111751988 + 6111751989.

It is an arithmetic number, because the mean of its divisors is an integer number (6111751989).

Almost surely, 2^12223503977 is an apocalyptic number.

It is an amenable number.

12223503977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223503977 is an equidigital number, since it uses as much as digits as its factorization.

12223503977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 12223503977 in words is "twelve billion, two hundred twenty-three million, five hundred three thousand, nine hundred seventy-seven".