12131030 has 16 divisors (see below), whose sum is σ = 23120640. Its totient is φ = 4566912.

The previous prime is 12131027. The next prime is 12131057. The reversal of 12131030 is 3013121.

It is a congruent number.

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, 35510 + ... + 35849.

It is an arithmetic number, because the mean of its divisors is an integer number (1445040).

Almost surely, 2^12131030 is an apocalyptic number.

12131030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131030 is a deficient number, since it is larger than the sum of its proper divisors (10989610).

12131030 is a wasteful number, since it uses less digits than its factorization.

12131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71383.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 12131030 is about 3482.9628192101. The cubic root of 12131030 is about 229.7731222114.

Adding to 12131030 its reverse (3013121), we get a palindrome (15144151).

The spelling of 12131030 in words is "twelve million, one hundred thirty-one thousand, thirty".