12113210 has 16 divisors (see below), whose sum is σ = 21887496. Its totient is φ = 4826688.

The previous prime is 12113209. The next prime is 12113221. The reversal of 12113210 is 1231121.

It can be written as a sum of positive squares in 4 ways, for example, as 8196769 + 3916441 = 2863^2 + 1979^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12113191 and 12113200.

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 7 ways as a sum of consecutive naturals, for example, 584 + ... + 4956.

Almost surely, 2^12113210 is an apocalyptic number.

12113210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12113210 is a deficient number, since it is larger than the sum of its proper divisors (9774286).

12113210 is a wasteful number, since it uses less digits than its factorization.

12113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657.

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

The square root of 12113210 is about 3480.4037122150. The cubic root of 12113210 is about 229.6605578869.

Adding to 12113210 its reverse (1231121), we get a palindrome (13344331).

It can be divided in two parts, 121 and 13210, that added together give a palindrome (13331).

The spelling of 12113210 in words is "twelve million, one hundred thirteen thousand, two hundred ten".