12495427584 has 96 divisors (see below), whose sum is σ = 35272888560. Its totient is φ = 3920101376.

The previous prime is 12495427561. The next prime is 12495427591. The reversal of 12495427584 is 48572459421.

It is a happy number.

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

It is a super-2 number, since 2×12495427584² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44632 + ... + 164264.

Almost surely, 2^12495427584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12495427584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17636444280).

12495427584 is an abundant number, since it is smaller than the sum of its proper divisors (22777460976).

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

12495427584 is a wasteful number, since it uses less digits than its factorization.

12495427584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119675 (or 119655 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The spelling of 12495427584 in words is "twelve billion, four hundred ninety-five million, four hundred twenty-seven thousand, five hundred eighty-four".