12278892148 has 12 divisors (see below), whose sum is σ = 22422324960. Its totient is φ = 5872513592.

The previous prime is 12278892121. The next prime is 12278892151. The reversal of 12278892148 is 84129887221.

12278892148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12278892095 and 12278892104.

It is a congruent number.

It is an unprimeable number.

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, 66733018 + ... + 66733201.

It is an arithmetic number, because the mean of its divisors is an integer number (1868527080).

Almost surely, 2^12278892148 is an apocalyptic number.

It is an amenable number.

12278892148 is a deficient number, since it is larger than the sum of its proper divisors (10143432812).

12278892148 is a wasteful number, since it uses less digits than its factorization.

12278892148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133466246 (or 133466244 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 52.

The spelling of 12278892148 in words is "twelve billion, two hundred seventy-eight million, eight hundred ninety-two thousand, one hundred forty-eight".