12131050 has 12 divisors (see below), whose sum is σ = 22563846. Its totient is φ = 4852400.

The previous prime is 12131027. The next prime is 12131057. The reversal of 12131050 is 5013121.

It can be written as a sum of positive squares in 3 ways, for example, as 10949481 + 1181569 = 3309^2 + 1087^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12131050.

It is not an unprimeable number, because it can be changed into a prime (12131057) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 121261 + ... + 121360.

Almost surely, 2^12131050 is an apocalyptic number.

12131050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131050 is a deficient number, since it is larger than the sum of its proper divisors (10432796).

12131050 is a wasteful number, since it uses less digits than its factorization.

12131050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242633 (or 242628 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12131050 is about 3482.9656903277. The cubic root of 12131050 is about 229.7732484842.

Adding to 12131050 its reverse (5013121), we get a palindrome (17144171).

The spelling of 12131050 in words is "twelve million, one hundred thirty-one thousand, fifty".