12702198961 has 2 divisors, whose sum is σ = 12702198962. Its totient is φ = 12702198960.

The previous prime is 12702198931. The next prime is 12702198967. The reversal of 12702198961 is 16989120721.

12702198961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7164606736 + 5537592225 = 84644^2 + 74415^2 .

It is a cyclic number.

It is not a de Polignac number, because 12702198961 - 2¹⁹ = 12701674673 is a prime.

It is a super-2 number, since 2×12702198961² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12702198967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6351099480 + 6351099481.

It is an arithmetic number, because the mean of its divisors is an integer number (6351099481).

Almost surely, 2^12702198961 is an apocalyptic number.

It is an amenable number.

12702198961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12702198961 is an equidigital number, since it uses as much as digits as its factorization.

12702198961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 12702198961 in words is "twelve billion, seven hundred two million, one hundred ninety-eight thousand, nine hundred sixty-one".