1323113212 has 6 divisors (see below), whose sum is σ = 2315448128. Its totient is φ = 661556604.

The previous prime is 1323113191. The next prime is 1323113219. The reversal of 1323113212 is 2123113231.

It is a self number, because there is not a number n which added to its sum of digits gives 1323113212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323113219) 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 as a sum of consecutive naturals, namely, 165389148 + ... + 165389155.

Almost surely, 2^1323113212 is an apocalyptic number.

It is an amenable number.

1323113212 is a deficient number, since it is larger than the sum of its proper divisors (992334916).

1323113212 is a wasteful number, since it uses less digits than its factorization.

1323113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330778307 (or 330778305 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1323113212 is about 36374.6231870517. The cubic root of 1323113212 is about 1097.8230255921.

Adding to 1323113212 its sum of digits (19), we get a palindrome (1323113231).

Adding to 1323113212 its reverse (2123113231), we get a palindrome (3446226443).

The spelling of 1323113212 in words is "one billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred twelve".