212031012233 has 16 divisors (see below), whose sum is σ = 214650912000. Its totient is φ = 209432079360.

The previous prime is 212031012227. The next prime is 212031012257. The reversal of 212031012233 is 332210130212.

It is a cyclic number.

It is not a de Polignac number, because 212031012233 - 2⁶ = 212031012169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212031012133) 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, 16091738 + ... + 16104908.

It is an arithmetic number, because the mean of its divisors is an integer number (13415682000).

Almost surely, 2^212031012233 is an apocalyptic number.

It is an amenable number.

212031012233 is a deficient number, since it is larger than the sum of its proper divisors (2619899767).

212031012233 is a wasteful number, since it uses less digits than its factorization.

212031012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13952.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212031012233 its reverse (332210130212), we get a palindrome (544241142445).

The spelling of 212031012233 in words is "two hundred twelve billion, thirty-one million, twelve thousand, two hundred thirty-three".