212020020001001 has 2 divisors, whose sum is σ = 212020020001002. Its totient is φ = 212020020001000.

The previous prime is 212020020000977. The next prime is 212020020001019. The reversal of 212020020001001 is 100100020020212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209549480478976 + 2470539522025 = 14475824^2 + 1571795^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020020001001 - 2⁶ = 212020020000937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212020020001201) 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, 106010010000500 + 106010010000501.

It is an arithmetic number, because the mean of its divisors is an integer number (106010010000501).

Almost surely, 2^{212020020001001} is an apocalyptic number.

It is an amenable number.

212020020001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020020001001 is an equidigital number, since it uses as much as digits as its factorization.

212020020001001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212020020001001 its reverse (100100020020212), we get a palindrome (312120040021213).

The spelling of 212020020001001 in words is "two hundred twelve trillion, twenty billion, twenty million, one thousand, one".