212213330971 has 2 divisors, whose sum is σ = 212213330972. Its totient is φ = 212213330970.

The previous prime is 212213330957. The next prime is 212213331019. The reversal of 212213330971 is 179033312212.

212213330971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212213330971 - 2²⁵ = 212179776539 is a prime.

It is not a weakly prime, because it can be changed into another prime (212213330471) 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, 106106665485 + 106106665486.

It is an arithmetic number, because the mean of its divisors is an integer number (106106665486).

Almost surely, 2^212213330971 is an apocalyptic number.

212213330971 is a deficient number, since it is larger than the sum of its proper divisors (1).

212213330971 is an equidigital number, since it uses as much as digits as its factorization.

212213330971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 212213330971 in words is "two hundred twelve billion, two hundred thirteen million, three hundred thirty thousand, nine hundred seventy-one".