12180504406 has 32 divisors (see below), whose sum is σ = 20986801920. Its totient is φ = 5193780000.

The previous prime is 12180504389. The next prime is 12180504421. The reversal of 12180504406 is 60440508121.

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 15 ways as a sum of consecutive naturals, for example, 5688096 + ... + 5690236.

It is an arithmetic number, because the mean of its divisors is an integer number (655837560).

Almost surely, 2^12180504406 is an apocalyptic number.

12180504406 is a deficient number, since it is larger than the sum of its proper divisors (8806297514).

12180504406 is a wasteful number, since it uses less digits than its factorization.

12180504406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 12180504406 in words is "twelve billion, one hundred eighty million, five hundred four thousand, four hundred six".