12131523302 has 4 divisors (see below), whose sum is σ = 18197284956. Its totient is φ = 6065761650.

The previous prime is 12131523277. The next prime is 12131523317. The reversal of 12131523302 is 20332513121.

12131523302 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 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, 3032880824 + ... + 3032880827.

It is an arithmetic number, because the mean of its divisors is an integer number (4549321239).

Almost surely, 2^12131523302 is an apocalyptic number.

12131523302 is a deficient number, since it is larger than the sum of its proper divisors (6065761654).

12131523302 is an equidigital number, since it uses as much as digits as its factorization.

12131523302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065761653.

The product of its (nonzero) digits is 1080, while the sum is 23.

The spelling of 12131523302 in words is "twelve billion, one hundred thirty-one million, five hundred twenty-three thousand, three hundred two".