210210012120071 has 2 divisors, whose sum is σ = 210210012120072. Its totient is φ = 210210012120070.

The previous prime is 210210012119983. The next prime is 210210012120091. The reversal of 210210012120071 is 170021210012012.

It is a happy number.

It is an a-pointer prime, because the next prime (210210012120091) can be obtained adding 210210012120071 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210210012120071 - 2²⁶ = 210209945011207 is a prime.

It is a super-2 number, since 2×210210012120071² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210210012120091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105006060035 + 105105006060036.

It is an arithmetic number, because the mean of its divisors is an integer number (105105006060036).

Almost surely, 2^{210210012120071} is an apocalyptic number.

210210012120071 is a deficient number, since it is larger than the sum of its proper divisors (1).

210210012120071 is an equidigital number, since it uses as much as digits as its factorization.

210210012120071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 210210012120071 its reverse (170021210012012), we get a palindrome (380231222132083).

The spelling of 210210012120071 in words is "two hundred ten trillion, two hundred ten billion, twelve million, one hundred twenty thousand, seventy-one".