1220304223297 has 2 divisors, whose sum is σ = 1220304223298. Its totient is φ = 1220304223296.

The previous prime is 1220304223283. The next prime is 1220304223351. The reversal of 1220304223297 is 7923224030221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 628760187136 + 591544036161 = 792944^2 + 769119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220304223297 - 2⁷ = 1220304223169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220304223207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610152111648 + 610152111649.

It is an arithmetic number, because the mean of its divisors is an integer number (610152111649).

Almost surely, 2^{1220304223297} is an apocalyptic number.

It is an amenable number.

1220304223297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220304223297 is an equidigital number, since it uses as much as digits as its factorization.

1220304223297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 1220304223297 in words is "one trillion, two hundred twenty billion, three hundred four million, two hundred twenty-three thousand, two hundred ninety-seven".