2012221233 has 24 divisors (see below), whose sum is σ = 3172193856. Its totient is φ = 1218981600.

The previous prime is 2012221229. The next prime is 2012221259. The reversal of 2012221233 is 3321222102.

It is not a de Polignac number, because 2012221233 - 2² = 2012221229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384591 + ... + 389787.

It is an arithmetic number, because the mean of its divisors is an integer number (132174744).

Almost surely, 2^2012221233 is an apocalyptic number.

It is an amenable number.

2012221233 is a deficient number, since it is larger than the sum of its proper divisors (1159972623).

2012221233 is a wasteful number, since it uses less digits than its factorization.

2012221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125 (or 9122 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2012221233 is about 44857.7889892045. The cubic root of 2012221233 is about 1262.4821384657.

Adding to 2012221233 its reverse (3321222102), we get a palindrome (5333443335).

The spelling of 2012221233 in words is "two billion, twelve million, two hundred twenty-one thousand, two hundred thirty-three".