2143322212 has 12 divisors (see below), whose sum is σ = 3787951356. Its totient is φ = 1061050400.

The previous prime is 2143322201. The next prime is 2143322213. The reversal of 2143322212 is 2122233412.

It can be written as a sum of positive squares in 2 ways, for example, as 2114528256 + 28793956 = 45984^2 + 5366^2 .

It is not an unprimeable number, because it can be changed into a prime (2143322213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652223 + ... + 2653030.

It is an arithmetic number, because the mean of its divisors is an integer number (315662613).

Almost surely, 2^2143322212 is an apocalyptic number.

It is an amenable number.

2143322212 is a deficient number, since it is larger than the sum of its proper divisors (1644629144).

2143322212 is a wasteful number, since it uses less digits than its factorization.

2143322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305358 (or 5305356 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 2143322212 is about 46296.0280369709. The cubic root of 2143322212 is about 1289.3252509563.

Adding to 2143322212 its reverse (2122233412), we get a palindrome (4265555624).

The spelling of 2143322212 in words is "two billion, one hundred forty-three million, three hundred twenty-two thousand, two hundred twelve".