1012213120297 has 2 divisors, whose sum is σ = 1012213120298. Its totient is φ = 1012213120296.

The previous prime is 1012213120273. The next prime is 1012213120313. The reversal of 1012213120297 is 7920213122101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763056407961 + 249156712336 = 873531^2 + 499156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012213120297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012217120297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106560148 + 506106560149.

It is an arithmetic number, because the mean of its divisors is an integer number (506106560149).

Almost surely, 2^{1012213120297} is an apocalyptic number.

It is an amenable number.

1012213120297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012213120297 is an equidigital number, since it uses as much as digits as its factorization.

1012213120297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 1012213120297 its reverse (7920213122101), we get a palindrome (8932426242398).

The spelling of 1012213120297 in words is "one trillion, twelve billion, two hundred thirteen million, one hundred twenty thousand, two hundred ninety-seven".