12321302212 has 6 divisors (see below), whose sum is σ = 21562278878. Its totient is φ = 6160651104.

The previous prime is 12321302117. The next prime is 12321302243. The reversal of 12321302212 is 21220312321.

It can be written as a sum of positive squares in only one way, i.e., 11420341956 + 900960256 = 106866^2 + 30016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12321302212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540162773 + ... + 1540162780.

Almost surely, 2^12321302212 is an apocalyptic number.

It is an amenable number.

12321302212 is a deficient number, since it is larger than the sum of its proper divisors (9240976666).

12321302212 is a wasteful number, since it uses less digits than its factorization.

12321302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080325557 (or 3080325555 counting only the distinct ones).

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

Adding to 12321302212 its reverse (21220312321), we get a palindrome (33541614533).

The spelling of 12321302212 in words is "twelve billion, three hundred twenty-one million, three hundred two thousand, two hundred twelve".