212233210321 has 8 divisors (see below), whose sum is σ = 238995756288. Its totient is φ = 186715434000.

The previous prime is 212233210291. The next prime is 212233210333. The reversal of 212233210321 is 123012332212.

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 212233210321 - 2²³ = 212224821713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212233210292 and 212233210301.

It is not an unprimeable number, because it can be changed into a prime (212233219321) 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, 311192050 + ... + 311192731.

It is an arithmetic number, because the mean of its divisors is an integer number (29874469536).

Almost surely, 2^212233210321 is an apocalyptic number.

It is an amenable number.

212233210321 is a deficient number, since it is larger than the sum of its proper divisors (26762545967).

212233210321 is a wasteful number, since it uses less digits than its factorization.

212233210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622384823.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212233210321 its reverse (123012332212), we get a palindrome (335245542533).

The spelling of 212233210321 in words is "two hundred twelve billion, two hundred thirty-three million, two hundred ten thousand, three hundred twenty-one".