1228779982303 has 2 divisors, whose sum is σ = 1228779982304. Its totient is φ = 1228779982302.

The previous prime is 1228779982249. The next prime is 1228779982343. The reversal of 1228779982303 is 3032899778221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3032899778221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1228779982303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228779982343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614389991151 + 614389991152.

It is an arithmetic number, because the mean of its divisors is an integer number (614389991152).

Almost surely, 2^{1228779982303} is an apocalyptic number.

1228779982303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228779982303 is an equidigital number, since it uses as much as digits as its factorization.

1228779982303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 1228779982303 in words is "one trillion, two hundred twenty-eight billion, seven hundred seventy-nine million, nine hundred eighty-two thousand, three hundred three".