1202922351817 has 2 divisors, whose sum is σ = 1202922351818. Its totient is φ = 1202922351816.

The previous prime is 1202922351769. The next prime is 1202922351853. The reversal of 1202922351817 is 7181532292021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1190420652096 + 12501699721 = 1091064^2 + 111811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202922351817 - 2⁷ = 1202922351689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202922351857) 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, 601461175908 + 601461175909.

It is an arithmetic number, because the mean of its divisors is an integer number (601461175909).

Almost surely, 2^{1202922351817} is an apocalyptic number.

It is an amenable number.

1202922351817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202922351817 is an equidigital number, since it uses as much as digits as its factorization.

1202922351817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 1202922351817 in words is "one trillion, two hundred two billion, nine hundred twenty-two million, three hundred fifty-one thousand, eight hundred seventeen".