212120000220071 has 2 divisors, whose sum is σ = 212120000220072. Its totient is φ = 212120000220070.

The previous prime is 212120000219989. The next prime is 212120000220143. The reversal of 212120000220071 is 170022000021212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212120000220071 - 2¹⁰ = 212120000219047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212120000220371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106060000110035 + 106060000110036.

It is an arithmetic number, because the mean of its divisors is an integer number (106060000110036).

Almost surely, 2^{212120000220071} is an apocalyptic number.

212120000220071 is a deficient number, since it is larger than the sum of its proper divisors (1).

212120000220071 is an equidigital number, since it uses as much as digits as its factorization.

212120000220071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 212120000220071 its reverse (170022000021212), we get a palindrome (382142000241283).

The spelling of 212120000220071 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred twenty thousand, seventy-one".