12131210 has 32 divisors (see below), whose sum is σ = 26877312. Its totient is φ = 3839040.

The previous prime is 12131179. The next prime is 12131219. The reversal of 12131210 is 1213121.

12131210 = 960² + 961² + ... + 972².

12131210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12131191 and 12131200.

It is not an unprimeable number, because it can be changed into a prime (12131219) 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, 5756 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (839916).

Almost surely, 2^12131210 is an apocalyptic number.

12131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131210 is an abundant number, since it is smaller than the sum of its proper divisors (14746102).

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

12131210 is a wasteful number, since it uses less digits than its factorization.

12131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13358.

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

The square root of 12131210 is about 3482.9886591834. The cubic root of 12131210 is about 229.7742586622.

Adding to 12131210 its reverse (1213121), we get a palindrome (13344331).

The spelling of 12131210 in words is "twelve million, one hundred thirty-one thousand, two hundred ten".