12043342131 has 4 divisors (see below), whose sum is σ = 16057789512. Its totient is φ = 8028894752.

The previous prime is 12043342099. The next prime is 12043342153. The reversal of 12043342131 is 13124334021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12043342131 - 2⁵ = 12043342099 is a prime.

It is a super-2 number, since 2×12043342131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12043342331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007223686 + ... + 2007223691.

It is an arithmetic number, because the mean of its divisors is an integer number (4014447378).

Almost surely, 2^12043342131 is an apocalyptic number.

12043342131 is a deficient number, since it is larger than the sum of its proper divisors (4014447381).

12043342131 is an equidigital number, since it uses as much as digits as its factorization.

12043342131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014447380.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12043342131 its reverse (13124334021), we get a palindrome (25167676152).

The spelling of 12043342131 in words is "twelve billion, forty-three million, three hundred forty-two thousand, one hundred thirty-one".