2143433212 has 24 divisors (see below), whose sum is σ = 3847751600. Its totient is φ = 1044199296.

The previous prime is 2143433207. The next prime is 2143433213. The reversal of 2143433212 is 2123343412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143433213) 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 7 ways as a sum of consecutive naturals, for example, 55114 + ... + 85582.

Almost surely, 2^2143433212 is an apocalyptic number.

It is an amenable number.

2143433212 is a deficient number, since it is larger than the sum of its proper divisors (1704318388).

2143433212 is a wasteful number, since it uses less digits than its factorization.

2143433212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30925 (or 30923 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 2143433212 is about 46297.2268283965. The cubic root of 2143433212 is about 1289.3475080909.

Adding to 2143433212 its reverse (2123343412), we get a palindrome (4266776624).

The spelling of 2143433212 in words is "two billion, one hundred forty-three million, four hundred thirty-three thousand, two hundred twelve".