1320210298961 has 2 divisors, whose sum is σ = 1320210298962. Its totient is φ = 1320210298960.

The previous prime is 1320210298951. The next prime is 1320210299003. The reversal of 1320210298961 is 1698920120231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1068287616400 + 251922682561 = 1033580^2 + 501919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320210298961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320210298951) 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, 660105149480 + 660105149481.

It is an arithmetic number, because the mean of its divisors is an integer number (660105149481).

Almost surely, 2^{1320210298961} is an apocalyptic number.

It is an amenable number.

1320210298961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320210298961 is an equidigital number, since it uses as much as digits as its factorization.

1320210298961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 1320210298961 in words is "one trillion, three hundred twenty billion, two hundred ten million, two hundred ninety-eight thousand, nine hundred sixty-one".