12103110 has 48 divisors (see below), whose sum is σ = 31842720. Its totient is φ = 3189120.

The previous prime is 12103109. The next prime is 12103123. The reversal of 12103110 is 1130121.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12103092 and 12103101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7255 + ... + 8765.

It is an arithmetic number, because the mean of its divisors is an integer number (663390).

Almost surely, 2^12103110 is an apocalyptic number.

12103110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15921360).

12103110 is an abundant number, since it is smaller than the sum of its proper divisors (19739610).

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

12103110 is a wasteful number, since it uses less digits than its factorization.

12103110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 12103110 is about 3478.9524285336. The cubic root of 12103110 is about 229.5967097790.

Adding to 12103110 its reverse (1130121), we get a palindrome (13233231).

The spelling of 12103110 in words is "twelve million, one hundred three thousand, one hundred ten".