12130900 has 18 divisors (see below), whose sum is σ = 26324270. Its totient is φ = 4852320.

The previous prime is 12130879. The next prime is 12130901. The reversal of 12130900 is 903121.

It can be written as a sum of positive squares in 3 ways, for example, as 3392964 + 8737936 = 1842^2 + 2956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60555 + ... + 60754.

Almost surely, 2^12130900 is an apocalyptic number.

12130900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130900 is an abundant number, since it is smaller than the sum of its proper divisors (14193370).

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

12130900 is a wasteful number, since it uses less digits than its factorization.

12130900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121323 (or 121316 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 12130900 is about 3482.9441568880. The cubic root of 12130900 is about 229.7723014343.

The spelling of 12130900 in words is "twelve million, one hundred thirty thousand, nine hundred".