12321321102 has 16 divisors (see below), whose sum is σ = 27380713680. Its totient is φ = 4107107016.

The previous prime is 12321321083. The next prime is 12321321127. The reversal of 12321321102 is 20112312321.

12321321102 is a `hidden beast` number, since 12 + 321 + 321 + 10 + 2 = 666.

12321321102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114086253 + ... + 114086360.

It is an arithmetic number, because the mean of its divisors is an integer number (1711294605).

Almost surely, 2^12321321102 is an apocalyptic number.

12321321102 is an abundant number, since it is smaller than the sum of its proper divisors (15059392578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12321321102 is a wasteful number, since it uses less digits than its factorization.

12321321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228172624 (or 228172618 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12321321102 its reverse (20112312321), we get a palindrome (32433633423).

The spelling of 12321321102 in words is "twelve billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred two".