12389096556 has 192 divisors, whose sum is σ = 34771968000. Its totient is φ = 3803500800.

The previous prime is 12389096521. The next prime is 12389096557. The reversal of 12389096556 is 65569098321.

It is a happy number.

12389096556 is a `hidden beast` number, since 1 + 2 + 3 + 89 + 0 + 9 + 6 + 556 = 666.

12389096556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12389096556² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12389096557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26874166 + ... + 26874626.

It is an arithmetic number, because the mean of its divisors is an integer number (181104000).

Almost surely, 2^12389096556 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 12389096556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17385984000).

12389096556 is an abundant number, since it is smaller than the sum of its proper divisors (22382871444).

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

12389096556 is a wasteful number, since it uses less digits than its factorization.

12389096556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 12389096556 in words is "twelve billion, three hundred eighty-nine million, ninety-six thousand, five hundred fifty-six".