2321213212 has 24 divisors (see below), whose sum is σ = 4090486400. Its totient is φ = 1152526320.

The previous prime is 2321213207. The next prime is 2321213221. The reversal of 2321213212 is 2123121232.

2321213212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2321213212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451963 + ... + 457069.

Almost surely, 2^2321213212 is an apocalyptic number.

It is an amenable number.

2321213212 is a deficient number, since it is larger than the sum of its proper divisors (1769273188).

2321213212 is a wasteful number, since it uses less digits than its factorization.

2321213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5879 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2321213212 is about 48178.9706407266. The cubic root of 2321213212 is about 1324.0519074035.

Adding to 2321213212 its reverse (2123121232), we get a palindrome (4444334444).

The spelling of 2321213212 in words is "two billion, three hundred twenty-one million, two hundred thirteen thousand, two hundred twelve".