12248273550 has 24 divisors (see below), whose sum is σ = 30375718776. Its totient is φ = 3266206240.

The previous prime is 12248273549. The next prime is 12248273567. The reversal of 12248273550 is 5537284221.

12248273550 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 = 12248273499 and 12248273508.

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 11 ways as a sum of consecutive naturals, for example, 40827429 + ... + 40827728.

It is an arithmetic number, because the mean of its divisors is an integer number (1265654949).

Almost surely, 2^12248273550 is an apocalyptic number.

12248273550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12248273550 is an abundant number, since it is smaller than the sum of its proper divisors (18127445226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12248273550 is a wasteful number, since it uses less digits than its factorization.

12248273550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81655172 (or 81655167 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 12248273550 in words is "twelve billion, two hundred forty-eight million, two hundred seventy-three thousand, five hundred fifty".