12481384056 has 32 divisors (see below), whose sum is σ = 32560133760. Its totient is φ = 3979571552.

The previous prime is 12481384049. The next prime is 12481384067. The reversal of 12481384056 is 65048318421.

It is a happy number.

It is a super-2 number, since 2×12481384056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12481383999 and 12481384017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11305050 + ... + 11306153.

It is an arithmetic number, because the mean of its divisors is an integer number (1017504180).

Almost surely, 2^12481384056 is an apocalyptic number.

It is an amenable number.

12481384056 is an abundant number, since it is smaller than the sum of its proper divisors (20078749704).

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

12481384056 is a wasteful number, since it uses less digits than its factorization.

12481384056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22611235 (or 22611231 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 12481384056 in words is "twelve billion, four hundred eighty-one million, three hundred eighty-four thousand, fifty-six".