12321313110 has 32 divisors (see below), whose sum is σ = 32856835680. Its totient is φ = 3285683424.

The previous prime is 12321313087. The next prime is 12321313111. The reversal of 12321313110 is 1131312321.

12321313110 is a `hidden beast` number, since 1 + 2 + 321 + 31 + 311 + 0 = 666.

12321313110 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 not an unprimeable number, because it can be changed into a prime (12321313111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22816977 + ... + 22817516.

It is an arithmetic number, because the mean of its divisors is an integer number (1026776115).

Almost surely, 2^12321313110 is an apocalyptic number.

12321313110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321313110 is an abundant number, since it is smaller than the sum of its proper divisors (20535522570).

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

12321313110 is a wasteful number, since it uses less digits than its factorization.

12321313110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45634509 (or 45634503 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12321313110 its reverse (1131312321), we get a palindrome (13452625431).

The spelling of 12321313110 in words is "twelve billion, three hundred twenty-one million, three hundred thirteen thousand, one hundred ten".