12549174048 has 96 divisors (see below), whose sum is σ = 36964408320. Its totient is φ = 4141612800.

The previous prime is 12549174007. The next prime is 12549174061. The reversal of 12549174048 is 84047194521.

12549174048 is a `hidden beast` number, since 12 + 549 + 17 + 40 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 12549173994 and 12549174012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15361 + ... + 159167.

It is an arithmetic number, because the mean of its divisors is an integer number (385045920).

Almost surely, 2^12549174048 is an apocalyptic number.

12549174048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12549174048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18482204160).

12549174048 is an abundant number, since it is smaller than the sum of its proper divisors (24415234272).

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

12549174048 is a wasteful number, since it uses less digits than its factorization.

12549174048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143927 (or 143913 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 12549174048 in words is "twelve billion, five hundred forty-nine million, one hundred seventy-four thousand, forty-eight".