12459178048 has 28 divisors (see below), whose sum is σ = 24755929660. Its totient is φ = 6221463552.

The previous prime is 12459178033. The next prime is 12459178079. The reversal of 12459178048 is 84087195421.

It can be written as a sum of positive squares in 2 ways, for example, as 9889904704 + 2569273344 = 99448^2 + 50688^2 .

It is a super-3 number, since 3×12459178048³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12459177992 and 12459178010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77361 + ... + 175792.

It is an arithmetic number, because the mean of its divisors is an integer number (884140345).

Almost surely, 2^12459178048 is an apocalyptic number.

It is an amenable number.

12459178048 is a deficient number, since it is larger than the sum of its proper divisors (12296751612).

12459178048 is an equidigital number, since it uses as much as digits as its factorization.

12459178048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253934 (or 253924 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 12459178048 in words is "twelve billion, four hundred fifty-nine million, one hundred seventy-eight thousand, forty-eight".