1012111219297 has 2 divisors, whose sum is σ = 1012111219298. Its totient is φ = 1012111219296.

The previous prime is 1012111219289. The next prime is 1012111219307. The reversal of 1012111219297 is 7929121112101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540741093201 + 471370126096 = 735351^2 + 686564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012111219297 - 2³ = 1012111219289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012111219997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506055609648 + 506055609649.

It is an arithmetic number, because the mean of its divisors is an integer number (506055609649).

Almost surely, 2^{1012111219297} is an apocalyptic number.

It is an amenable number.

1012111219297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012111219297 is an equidigital number, since it uses as much as digits as its factorization.

1012111219297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 37.

The spelling of 1012111219297 in words is "one trillion, twelve billion, one hundred eleven million, two hundred nineteen thousand, two hundred ninety-seven".