12858938752 has 32 divisors (see below), whose sum is σ = 27946276200. Its totient is φ = 5844971520.

The previous prime is 12858938747. The next prime is 12858938761. The reversal of 12858938752 is 25783985821.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4564977 + ... + 4567792.

Almost surely, 2^12858938752 is an apocalyptic number.

It is an amenable number.

12858938752 is an abundant number, since it is smaller than the sum of its proper divisors (15087337448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12858938752 is an equidigital number, since it uses as much as digits as its factorization.

12858938752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132794 (or 9132782 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 58.

The spelling of 12858938752 in words is "twelve billion, eight hundred fifty-eight million, nine hundred thirty-eight thousand, seven hundred fifty-two".