12321210022 has 48 divisors (see below), whose sum is σ = 21411457200. Its totient is φ = 5298955200.

The previous prime is 12321210017. The next prime is 12321210029. The reversal of 12321210022 is 22001212321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12321209978 and 12321210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321210029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5429104 + ... + 5431372.

It is an arithmetic number, because the mean of its divisors is an integer number (446072025).

Almost surely, 2^12321210022 is an apocalyptic number.

12321210022 is a deficient number, since it is larger than the sum of its proper divisors (9090247178).

12321210022 is a wasteful number, since it uses less digits than its factorization.

12321210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12321210022 its reverse (22001212321), we get a palindrome (34322422343).

The spelling of 12321210022 in words is "twelve billion, three hundred twenty-one million, two hundred ten thousand, twenty-two".