12147814336 has 56 divisors (see below), whose sum is σ = 27647834976. Its totient is φ = 5187624960.

The previous prime is 12147814333. The next prime is 12147814351. The reversal of 12147814336 is 63341874121.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147814333) 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, 77640 + ... + 174136.

Almost surely, 2^12147814336 is an apocalyptic number.

12147814336 is a gapful number since it is divisible by the number (16) 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 12147814336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13823917488).

12147814336 is an abundant number, since it is smaller than the sum of its proper divisors (15500020640).

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

12147814336 is an equidigital number, since it uses as much as digits as its factorization.

12147814336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96797 (or 96787 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The spelling of 12147814336 in words is "twelve billion, one hundred forty-seven million, eight hundred fourteen thousand, three hundred thirty-six".