1012822200521 has 2 divisors, whose sum is σ = 1012822200522. Its totient is φ = 1012822200520.

The previous prime is 1012822200473. The next prime is 1012822200553. The reversal of 1012822200521 is 1250022282101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855558401296 + 157263799225 = 924964^2 + 396565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012822200521 - 2¹⁴ = 1012822184137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012822200421) 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, 506411100260 + 506411100261.

It is an arithmetic number, because the mean of its divisors is an integer number (506411100261).

Almost surely, 2^{1012822200521} is an apocalyptic number.

It is an amenable number.

1012822200521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012822200521 is an equidigital number, since it uses as much as digits as its factorization.

1012822200521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 1012822200521 its reverse (1250022282101), we get a palindrome (2262844482622).

The spelling of 1012822200521 in words is "one trillion, twelve billion, eight hundred twenty-two million, two hundred thousand, five hundred twenty-one".