12180628893 has 4 divisors (see below), whose sum is σ = 16240838528. Its totient is φ = 8120419260.

The previous prime is 12180628891. The next prime is 12180628909. The reversal of 12180628893 is 39882608121.

12180628893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12180628893 - 2¹ = 12180628891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180628891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030104813 + ... + 2030104818.

It is an arithmetic number, because the mean of its divisors is an integer number (4060209632).

Almost surely, 2^12180628893 is an apocalyptic number.

It is an amenable number.

12180628893 is a deficient number, since it is larger than the sum of its proper divisors (4060209635).

12180628893 is an equidigital number, since it uses as much as digits as its factorization.

12180628893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060209634.

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 12180628893 in words is "twelve billion, one hundred eighty million, six hundred twenty-eight thousand, eight hundred ninety-three".