1203021320093 has 2 divisors, whose sum is σ = 1203021320094. Its totient is φ = 1203021320092.

The previous prime is 1203021320087. The next prime is 1203021320141. The reversal of 1203021320093 is 3900231203021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097335861444 + 105685458649 = 1047538^2 + 325093^2 .

It is an emirp because it is prime and its reverse (3900231203021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203021320093 - 2¹⁸ = 1203021057949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203021320003) 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, 601510660046 + 601510660047.

It is an arithmetic number, because the mean of its divisors is an integer number (601510660047).

Almost surely, 2^{1203021320093} is an apocalyptic number.

It is an amenable number.

1203021320093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203021320093 is an equidigital number, since it uses as much as digits as its factorization.

1203021320093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 1203021320093 in words is "one trillion, two hundred three billion, twenty-one million, three hundred twenty thousand, ninety-three".