12180628894 has 64 divisors (see below), whose sum is σ = 22906229760. Its totient is φ = 4736632320.

The previous prime is 12180628891. The next prime is 12180628909. The reversal of 12180628894 is 49882608121.

12180628894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 8909799 + ... + 8911165.

It is an arithmetic number, because the mean of its divisors is an integer number (357909840).

Almost surely, 2^12180628894 is an apocalyptic number.

12180628894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12180628894 is a deficient number, since it is larger than the sum of its proper divisors (10725600866).

12180628894 is a wasteful number, since it uses less digits than its factorization.

12180628894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713.

The product of its (nonzero) digits is 442368, while the sum is 49.

The spelling of 12180628894 in words is "twelve billion, one hundred eighty million, six hundred twenty-eight thousand, eight hundred ninety-four".