12928948185 has 16 divisors (see below), whose sum is σ = 21036934080. Its totient is φ = 6778566720.

The previous prime is 12928948157. The next prime is 12928948189. The reversal of 12928948185 is 58184982921.

It is not a de Polignac number, because 12928948185 - 2⁷ = 12928948057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12928948189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7303606 + ... + 7305375.

It is an arithmetic number, because the mean of its divisors is an integer number (1314808380).

Almost surely, 2^12928948185 is an apocalyptic number.

12928948185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12928948185 is a deficient number, since it is larger than the sum of its proper divisors (8107985895).

12928948185 is a wasteful number, since it uses less digits than its factorization.

12928948185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14609048.

The product of its digits is 3317760, while the sum is 57.

The spelling of 12928948185 in words is "twelve billion, nine hundred twenty-eight million, nine hundred forty-eight thousand, one hundred eighty-five".