12505988843 has 8 divisors (see below), whose sum is σ = 12792029760. Its totient is φ = 12220779520.

The previous prime is 12505988837. The next prime is 12505988849. The reversal of 12505988843 is 34888950521.

It is an interprime number because it is at equal distance from previous prime (12505988837) and next prime (12505988849).

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

It is a cyclic number.

It is not a de Polignac number, because 12505988843 - 2⁴ = 12505988827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12505988849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177428 + ... + 237681.

It is an arithmetic number, because the mean of its divisors is an integer number (1599003720).

Almost surely, 2^12505988843 is an apocalyptic number.

12505988843 is a deficient number, since it is larger than the sum of its proper divisors (286040917).

12505988843 is an equidigital number, since it uses as much as digits as its factorization.

12505988843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415797.

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 12505988843 in words is "twelve billion, five hundred five million, nine hundred eighty-eight thousand, eight hundred forty-three".