1143330212 has 24 divisors (see below), whose sum is σ = 2034028920. Its totient is φ = 562256640.

The previous prime is 1143330197. The next prime is 1143330239. The reversal of 1143330212 is 2120333411.

It can be written as a sum of positive squares in 4 ways, for example, as 323424256 + 819905956 = 17984^2 + 28634^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50162 + ... + 69302.

It is an arithmetic number, because the mean of its divisors is an integer number (84751205).

Almost surely, 2^1143330212 is an apocalyptic number.

It is an amenable number.

1143330212 is a deficient number, since it is larger than the sum of its proper divisors (890698708).

1143330212 is a wasteful number, since it uses less digits than its factorization.

1143330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19391 (or 19389 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1143330212 is about 33813.1662522160. The cubic root of 1143330212 is about 1045.6601559674.

Adding to 1143330212 its reverse (2120333411), we get a palindrome (3263663623).

The spelling of 1143330212 in words is "one billion, one hundred forty-three million, three hundred thirty thousand, two hundred twelve".