212118329 has 2 divisors, whose sum is σ = 212118330. Its totient is φ = 212118328.

The previous prime is 212118323. The next prime is 212118353. The reversal of 212118329 is 923811212.

212118329 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 can be written as a sum of positive squares in only one way, i.e., 208860304 + 3258025 = 14452^2 + 1805^2 .

It is a cyclic number.

It is not a de Polignac number, because 212118329 - 2⁸ = 212118073 is a prime.

It is not a weakly prime, because it can be changed into another prime (212118323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106059164 + 106059165.

It is an arithmetic number, because the mean of its divisors is an integer number (106059165).

Almost surely, 2^212118329 is an apocalyptic number.

It is an amenable number.

212118329 is a deficient number, since it is larger than the sum of its proper divisors (1).

212118329 is an equidigital number, since it uses as much as digits as its factorization.

212118329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 212118329 is about 14564.2826462548. The cubic root of 212118329 is about 596.3841128937.

It can be divided in two parts, 2121183 and 29, that added together give a palindrome (2121212).

The spelling of 212118329 in words is "two hundred twelve million, one hundred eighteen thousand, three hundred twenty-nine".