12131332430 has 128 divisors (see below), whose sum is σ = 27389767680. Its totient is φ = 3773952000.

The previous prime is 12131332429. The next prime is 12131332463. The reversal of 12131332430 is 3423313121.

12131332430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12131332396 and 12131332405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4040930 + ... + 4043930.

It is an arithmetic number, because the mean of its divisors is an integer number (213982560).

Almost surely, 2^12131332430 is an apocalyptic number.

12131332430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131332430 is an abundant number, since it is smaller than the sum of its proper divisors (15258435250).

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

12131332430 is a wasteful number, since it uses less digits than its factorization.

12131332430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12131332430 its reverse (3423313121), we get a palindrome (15554645551).

The spelling of 12131332430 in words is "twelve billion, one hundred thirty-one million, three hundred thirty-two thousand, four hundred thirty".