1200582079817 has 2 divisors, whose sum is σ = 1200582079818. Its totient is φ = 1200582079816.

The previous prime is 1200582079813. The next prime is 1200582079891. The reversal of 1200582079817 is 7189702850021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1031735873536 + 168846206281 = 1015744^2 + 410909^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200582079817 - 2² = 1200582079813 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200582079813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600291039908 + 600291039909.

It is an arithmetic number, because the mean of its divisors is an integer number (600291039909).

Almost surely, 2^{1200582079817} is an apocalyptic number.

It is an amenable number.

1200582079817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200582079817 is an equidigital number, since it uses as much as digits as its factorization.

1200582079817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 50.

The spelling of 1200582079817 in words is "one trillion, two hundred billion, five hundred eighty-two million, seventy-nine thousand, eight hundred seventeen".