212012329591 has 2 divisors, whose sum is σ = 212012329592. Its totient is φ = 212012329590.

The previous prime is 212012329583. The next prime is 212012329601. The reversal of 212012329591 is 195923210212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212012329591 - 2³ = 212012329583 is a prime.

It is a super-3 number, since 3×212012329591³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212012329591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212012329541) 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, 106006164795 + 106006164796.

It is an arithmetic number, because the mean of its divisors is an integer number (106006164796).

Almost surely, 2^212012329591 is an apocalyptic number.

212012329591 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012329591 is an equidigital number, since it uses as much as digits as its factorization.

212012329591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 212012329591 in words is "two hundred twelve billion, twelve million, three hundred twenty-nine thousand, five hundred ninety-one".