1203205332997 has 2 divisors, whose sum is σ = 1203205332998. Its totient is φ = 1203205332996.

The previous prime is 1203205332977. The next prime is 1203205333003. The reversal of 1203205332997 is 7992335023021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858159524161 + 345045808836 = 926369^2 + 587406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203205332997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203205332977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601602666498 + 601602666499.

It is an arithmetic number, because the mean of its divisors is an integer number (601602666499).

Almost surely, 2^{1203205332997} is an apocalyptic number.

It is an amenable number.

1203205332997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203205332997 is an equidigital number, since it uses as much as digits as its factorization.

1203205332997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 1203205332997 in words is "one trillion, two hundred three billion, two hundred five million, three hundred thirty-two thousand, nine hundred ninety-seven".