212282329 has 16 divisors (see below), whose sum is σ = 246758400. Its totient is φ = 178871184.

The previous prime is 212282267. The next prime is 212282333. The reversal of 212282329 is 923282212.

It is a cyclic number.

It is not a de Polignac number, because 212282329 - 2⁷ = 212282201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212282329.

It is not an unprimeable number, because it can be changed into a prime (212282359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103092 + ... + 105130.

It is an arithmetic number, because the mean of its divisors is an integer number (15422400).

Almost surely, 2^212282329 is an apocalyptic number.

It is an amenable number.

212282329 is a deficient number, since it is larger than the sum of its proper divisors (34476071).

212282329 is a wasteful number, since it uses less digits than its factorization.

212282329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292.

The product of its digits is 6912, while the sum is 31.

The square root of 212282329 is about 14569.9117704947. The cubic root of 212282329 is about 596.5377720945.

The spelling of 212282329 in words is "two hundred twelve million, two hundred eighty-two thousand, three hundred twenty-nine".