12449943576720 has 3200 divisors, whose sum is σ = 54098057502720. Its totient is φ = 2620658810880.

The previous prime is 12449943576643. The next prime is 12449943576761. The reversal of 12449943576720 is 2767534994421.

12449943576720 is a `hidden beast` number, since 1 + 2 + 4 + 499 + 4 + 3 + 5 + 76 + 72 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 90875500492 + ... + 90875500628.

Almost surely, 2^{12449943576720} is an apocalyptic number.

12449943576720 is a gapful number since it is divisible by the number (10) 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 12449943576720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27049028751360).

12449943576720 is an abundant number, since it is smaller than the sum of its proper divisors (41648113926000).

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

12449943576720 is a wasteful number, since it uses less digits than its factorization.

12449943576720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 12449943576720 in words is "twelve trillion, four hundred forty-nine billion, nine hundred forty-three million, five hundred seventy-six thousand, seven hundred twenty".