212330230321 has 8 divisors (see below), whose sum is σ = 231895314144. Its totient is φ = 192808869120.

The previous prime is 212330230313. The next prime is 212330230337. The reversal of 212330230321 is 123032033212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212330230321 - 2³ = 212330230313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212330230292 and 212330230301.

It is not an unprimeable number, because it can be changed into a prime (212330230361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10920496 + ... + 10939921.

It is an arithmetic number, because the mean of its divisors is an integer number (28986914268).

Almost surely, 2^212330230321 is an apocalyptic number.

It is an amenable number.

212330230321 is a deficient number, since it is larger than the sum of its proper divisors (19565083823).

212330230321 is a wasteful number, since it uses less digits than its factorization.

212330230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21861311.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212330230321 its reverse (123032033212), we get a palindrome (335362263533).

The spelling of 212330230321 in words is "two hundred twelve billion, three hundred thirty million, two hundred thirty thousand, three hundred twenty-one".