12998163921097 has 2 divisors, whose sum is σ = 12998163921098. Its totient is φ = 12998163921096.

The previous prime is 12998163921091. The next prime is 12998163921103. The reversal of 12998163921097 is 79012936189921.

It is a balanced prime because it is at equal distance from previous prime (12998163921091) and next prime (12998163921103).

It can be written as a sum of positive squares in only one way, i.e., 12976161835536 + 22002085561 = 3602244^2 + 148331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12998163921097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12998163921091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6499081960548 + 6499081960549.

It is an arithmetic number, because the mean of its divisors is an integer number (6499081960549).

Almost surely, 2^{12998163921097} is an apocalyptic number.

It is an amenable number.

12998163921097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12998163921097 is an equidigital number, since it uses as much as digits as its factorization.

12998163921097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26453952, while the sum is 67.

The spelling of 12998163921097 in words is "twelve trillion, nine hundred ninety-eight billion, one hundred sixty-three million, nine hundred twenty-one thousand, ninety-seven".