12180504642 has 8 divisors (see below), whose sum is σ = 24361009296. Its totient is φ = 4060168212.

The previous prime is 12180504529. The next prime is 12180504649. The reversal of 12180504642 is 24640508121.

It is a happy number.

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

12180504642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12180504649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015042048 + ... + 1015042059.

It is an arithmetic number, because the mean of its divisors is an integer number (3045126162).

Almost surely, 2^12180504642 is an apocalyptic number.

12180504642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12180504642 is a wasteful number, since it uses less digits than its factorization.

12180504642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030084112.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 12180504642 in words is "twelve billion, one hundred eighty million, five hundred four thousand, six hundred forty-two".