12989300615928 has 576 divisors, whose sum is σ = 45653556312000. Its totient is φ = 3315162816000.

The previous prime is 12989300615927. The next prime is 12989300615971. The reversal of 12989300615928 is 82951600398921.

12989300615928 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 9 + 3 + 0 + 0 + 615 + 9 + 2 + 8 = 666.

12989300615928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12989300615927) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 308506078 + ... + 308548178.

It is an arithmetic number, because the mean of its divisors is an integer number (79259646375).

Almost surely, 2^{12989300615928} is an apocalyptic number.

12989300615928 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 12989300615928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22826778156000).

12989300615928 is an abundant number, since it is smaller than the sum of its proper divisors (32664255696072).

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

12989300615928 is a wasteful number, since it uses less digits than its factorization.

12989300615928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42209 (or 42157 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 12989300615928 in words is "twelve trillion, nine hundred eighty-nine billion, three hundred million, six hundred fifteen thousand, nine hundred twenty-eight".