212330232205 has 192 divisors, whose sum is σ = 343357056000. Its totient is φ = 124699502592.

The previous prime is 212330232193. The next prime is 212330232281. The reversal of 212330232205 is 502232033212.

It is not a de Polignac number, because 212330232205 - 2⁵ = 212330232173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212330232205.

It is a congruent number.

It is an unprimeable number.

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 in 191 ways as a sum of consecutive naturals, for example, 256127731 + ... + 256128559.

It is an arithmetic number, because the mean of its divisors is an integer number (1788318000).

Almost surely, 2^212330232205 is an apocalyptic number.

It is an amenable number.

212330232205 is a deficient number, since it is larger than the sum of its proper divisors (131026823795).

212330232205 is a wasteful number, since it uses less digits than its factorization.

212330232205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 212330232205 its reverse (502232033212), we get a palindrome (714562265417).

The spelling of 212330232205 in words is "two hundred twelve billion, three hundred thirty million, two hundred thirty-two thousand, two hundred five".