1220237265193 has 2 divisors, whose sum is σ = 1220237265194. Its totient is φ = 1220237265192.

The previous prime is 1220237265167. The next prime is 1220237265209. The reversal of 1220237265193 is 3915627320221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649648896064 + 570588369129 = 806008^2 + 755373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220237265193 - 2⁹ = 1220237264681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220237265293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610118632596 + 610118632597.

It is an arithmetic number, because the mean of its divisors is an integer number (610118632597).

Almost surely, 2^{1220237265193} is an apocalyptic number.

It is an amenable number.

1220237265193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220237265193 is an equidigital number, since it uses as much as digits as its factorization.

1220237265193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 1220237265193 in words is "one trillion, two hundred twenty billion, two hundred thirty-seven million, two hundred sixty-five thousand, one hundred ninety-three".