12494831712 has 96 divisors (see below), whose sum is σ = 36076731264. Its totient is φ = 3786273920.

The previous prime is 12494831707. The next prime is 12494831749. The reversal of 12494831712 is 21713849421.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12494831712² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78883 + ... + 176669.

It is an arithmetic number, because the mean of its divisors is an integer number (375799284).

Almost surely, 2^12494831712 is an apocalyptic number.

12494831712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12494831712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18038365632).

12494831712 is an abundant number, since it is smaller than the sum of its proper divisors (23581899552).

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

12494831712 is an equidigital number, since it uses as much as digits as its factorization.

12494831712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97833 (or 97803 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The spelling of 12494831712 in words is "twelve billion, four hundred ninety-four million, eight hundred thirty-one thousand, seven hundred twelve".