2012233231 has 4 divisors (see below), whose sum is σ = 2055046752. Its totient is φ = 1969419712.

The previous prime is 2012233217. The next prime is 2012233241. The reversal of 2012233231 is 1323322102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012233231 - 2¹¹ = 2012231183 is a prime.

It is a super-2 number, since 2×2012233231² = 8098165151881398722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012233199 and 2012233208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012233211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21406690 + ... + 21406783.

It is an arithmetic number, because the mean of its divisors is an integer number (513761688).

Almost surely, 2^2012233231 is an apocalyptic number.

2012233231 is a deficient number, since it is larger than the sum of its proper divisors (42813521).

2012233231 is an equidigital number, since it uses as much as digits as its factorization.

2012233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42813520.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2012233231 is about 44857.9227227477. The cubic root of 2012233231 is about 1262.4846476714.

Adding to 2012233231 its reverse (1323322102), we get a palindrome (3335555333).

The spelling of 2012233231 in words is "two billion, twelve million, two hundred thirty-three thousand, two hundred thirty-one".