12321110 has 16 divisors (see below), whose sum is σ = 22242816. Its totient is φ = 4914048.

The previous prime is 12321083. The next prime is 12321121. The reversal of 12321110 is 1112321.

It is a junction number, because it is equal to n+sod(n) for n = 12321091 and 12321100.

It is a congruent number.

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, 2222 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (1390176).

Almost surely, 2^12321110 is an apocalyptic number.

12321110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321110 is a deficient number, since it is larger than the sum of its proper divisors (9921706).

12321110 is a wasteful number, since it uses less digits than its factorization.

12321110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12321110 is about 3510.1438716953. The cubic root of 12321110 is about 230.9670061508.

Adding to 12321110 its reverse (1112321), we get a palindrome (13433431).

The spelling of 12321110 in words is "twelve million, three hundred twenty-one thousand, one hundred ten".