12321022212232 has 32 divisors (see below), whose sum is σ = 23155547993280. Its totient is φ = 6146211198400.

The previous prime is 12321022212197. The next prime is 12321022212259. The reversal of 12321022212232 is 23221222012321.

It is a junction number, because it is equal to n+sod(n) for n = 12321022212197 and 12321022212206.

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, 59794293 + ... + 59999995.

It is an arithmetic number, because the mean of its divisors is an integer number (723610874790).

Almost surely, 2^{12321022212232} is an apocalyptic number.

It is an amenable number.

12321022212232 is a deficient number, since it is larger than the sum of its proper divisors (10834525781048).

12321022212232 is a wasteful number, since it uses less digits than its factorization.

12321022212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223053 (or 223049 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12321022212232 its reverse (23221222012321), we get a palindrome (35542244224553).

The spelling of 12321022212232 in words is "twelve trillion, three hundred twenty-one billion, twenty-two million, two hundred twelve thousand, two hundred thirty-two".