1012200211571 has 2 divisors, whose sum is σ = 1012200211572. Its totient is φ = 1012200211570.

The previous prime is 1012200211553. The next prime is 1012200211601. The reversal of 1012200211571 is 1751120022101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012200211571 - 2¹⁸ = 1012199949427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012200811571) 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, 506100105785 + 506100105786.

It is an arithmetic number, because the mean of its divisors is an integer number (506100105786).

Almost surely, 2^{1012200211571} is an apocalyptic number.

1012200211571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012200211571 is an equidigital number, since it uses as much as digits as its factorization.

1012200211571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 23.

Adding to 1012200211571 its reverse (1751120022101), we get a palindrome (2763320233672).

The spelling of 1012200211571 in words is "one trillion, twelve billion, two hundred million, two hundred eleven thousand, five hundred seventy-one".