12131130 has 32 divisors (see below), whose sum is σ = 31762368. Its totient is φ = 2940800.

The previous prime is 12131113. The next prime is 12131159. The reversal of 12131130 is 3113121.

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 15 ways as a sum of consecutive naturals, for example, 18051 + ... + 18710.

It is an arithmetic number, because the mean of its divisors is an integer number (992574).

Almost surely, 2^12131130 is an apocalyptic number.

12131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131130 is an abundant number, since it is smaller than the sum of its proper divisors (19631238).

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

12131130 is a wasteful number, since it uses less digits than its factorization.

12131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36782.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 12131130 is about 3482.9771747745. The cubic root of 12131130 is about 229.7737535743.

Adding to 12131130 its reverse (3113121), we get a palindrome (15244251).

Subtracting from 12131130 its reverse (3113121), we obtain a square (9018009 = 3003²).

The spelling of 12131130 in words is "twelve million, one hundred thirty-one thousand, one hundred thirty".