13122453320377 has 2 divisors, whose sum is σ = 13122453320378. Its totient is φ = 13122453320376.

The previous prime is 13122453320371. The next prime is 13122453320401. The reversal of 13122453320377 is 77302335422131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7374787510336 + 5747665810041 = 2715656^2 + 2397429^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122453320377 - 2²³ = 13122444931769 is a prime.

It is a super-2 number, since 2×13122453320377² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13122453320371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561226660188 + 6561226660189.

It is an arithmetic number, because the mean of its divisors is an integer number (6561226660189).

Almost surely, 2^{13122453320377} is an apocalyptic number.

It is an amenable number.

13122453320377 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122453320377 is an equidigital number, since it uses as much as digits as its factorization.

13122453320377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 43.

The spelling of 13122453320377 in words is "thirteen trillion, one hundred twenty-two billion, four hundred fifty-three million, three hundred twenty thousand, three hundred seventy-seven".