12179683481 has 12 divisors (see below), whose sum is σ = 14170055220. Its totient is φ = 10438364160.

The previous prime is 12179683457. The next prime is 12179683499. The reversal of 12179683481 is 18438697121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2691949456 + 9487734025 = 51884^2 + 97405^2 .

It is not a de Polignac number, because 12179683481 - 2²² = 12175489177 is a prime.

It is a super-2 number, since 2×12179683481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12179683441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 594041 + ... + 614201.

It is an arithmetic number, because the mean of its divisors is an integer number (1180837935).

Almost surely, 2^12179683481 is an apocalyptic number.

It is an amenable number.

12179683481 is a deficient number, since it is larger than the sum of its proper divisors (1990371739).

12179683481 is a wasteful number, since it uses less digits than its factorization.

12179683481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32504 (or 32497 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The spelling of 12179683481 in words is "twelve billion, one hundred seventy-nine million, six hundred eighty-three thousand, four hundred eighty-one".