2213232012 has 120 divisors (see below), whose sum is σ = 5938703232. Its totient is φ = 718502400.

The previous prime is 2213232001. The next prime is 2213232019. The reversal of 2213232012 is 2102323122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213232019) 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 39 ways as a sum of consecutive naturals, for example, 2232837 + ... + 2233827.

Almost surely, 2^2213232012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213232012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2969351616).

2213232012 is an abundant number, since it is smaller than the sum of its proper divisors (3725471220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213232012 is a wasteful number, since it uses less digits than its factorization.

2213232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1170 counting only the distinct ones).

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

The square root of 2213232012 is about 47044.9998618344. Note that the first 3 decimals coincide. The cubic root of 2213232012 is about 1303.1937277762.

Adding to 2213232012 its reverse (2102323122), we get a palindrome (4315555134).

The spelling of 2213232012 in words is "two billion, two hundred thirteen million, two hundred thirty-two thousand, twelve".