12131539414 has 4 divisors (see below), whose sum is σ = 18197309124. Its totient is φ = 6065769706.

The previous prime is 12131539403. The next prime is 12131539421. The reversal of 12131539414 is 41493513121.

12131539414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12131539414.

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 as a sum of consecutive naturals, namely, 3032884852 + ... + 3032884855.

It is an arithmetic number, because the mean of its divisors is an integer number (4549327281).

Almost surely, 2^12131539414 is an apocalyptic number.

12131539414 is a deficient number, since it is larger than the sum of its proper divisors (6065769710).

12131539414 is an equidigital number, since it uses as much as digits as its factorization.

12131539414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065769709.

The product of its digits is 12960, while the sum is 34.

The spelling of 12131539414 in words is "twelve billion, one hundred thirty-one million, five hundred thirty-nine thousand, four hundred fourteen".