12131732345 has 8 divisors (see below), whose sum is σ = 14616080640. Its totient is φ = 9666718000.

The previous prime is 12131732317. The next prime is 12131732369. The reversal of 12131732345 is 54323713121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12131732345 - 2¹⁶ = 12131666809 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4832105 + ... + 4834614.

It is an arithmetic number, because the mean of its divisors is an integer number (1827010080).

Almost surely, 2^12131732345 is an apocalyptic number.

It is an amenable number.

12131732345 is a deficient number, since it is larger than the sum of its proper divisors (2484348295).

12131732345 is an equidigital number, since it uses as much as digits as its factorization.

12131732345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666975.

The product of its digits is 15120, while the sum is 32.

The spelling of 12131732345 in words is "twelve billion, one hundred thirty-one million, seven hundred thirty-two thousand, three hundred forty-five".