1320014355217 has 2 divisors, whose sum is σ = 1320014355218. Its totient is φ = 1320014355216.

The previous prime is 1320014355089. The next prime is 1320014355229. The reversal of 1320014355217 is 7125534100231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1317757060096 + 2257295121 = 1147936^2 + 47511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320014355217 - 2⁷ = 1320014355089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320014358217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660007177608 + 660007177609.

It is an arithmetic number, because the mean of its divisors is an integer number (660007177609).

Almost surely, 2^{1320014355217} is an apocalyptic number.

It is an amenable number.

1320014355217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320014355217 is an equidigital number, since it uses as much as digits as its factorization.

1320014355217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 1320014355217 its reverse (7125534100231), we get a palindrome (8445548455448).

The spelling of 1320014355217 in words is "one trillion, three hundred twenty billion, fourteen million, three hundred fifty-five thousand, two hundred seventeen".