12103210 has 32 divisors (see below), whose sum is σ = 25483392. Its totient is φ = 4052160.

The previous prime is 12103207. The next prime is 12103213. The reversal of 12103210 is 1230121.

12103210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12103207) and next prime (12103213).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12103213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000 + ... + 5020.

It is an arithmetic number, because the mean of its divisors is an integer number (796356).

Almost surely, 2^12103210 is an apocalyptic number.

12103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12103210 is an abundant number, since it is smaller than the sum of its proper divisors (13380182).

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

12103210 is a wasteful number, since it uses less digits than its factorization.

12103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12103210 is about 3478.9668006464. The cubic root of 12103210 is about 229.5973421125.

Adding to 12103210 its reverse (1230121), we get a palindrome (13333331).

The spelling of 12103210 in words is "twelve million, one hundred three thousand, two hundred ten".