12889507825998 has 48 divisors (see below), whose sum is σ = 27939464469072. Its totient is φ = 4294626480000.

The previous prime is 12889507825993. The next prime is 12889507826021. The reversal of 12889507825998 is 89952870598821.

12889507825998 is a `hidden beast` number, since 1 + 2 + 8 + 89 + 507 + 8 + 25 + 9 + 9 + 8 = 666.

It is a super-2 number, since 2×12889507825998² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889507825993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610837648 + ... + 610858748.

It is an arithmetic number, because the mean of its divisors is an integer number (582072176439).

Almost surely, 2^{12889507825998} is an apocalyptic number.

12889507825998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12889507825998 is an abundant number, since it is smaller than the sum of its proper divisors (15049956643074).

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

12889507825998 is a wasteful number, since it uses less digits than its factorization.

12889507825998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34321 (or 34318 counting only the distinct ones).

The product of its (nonzero) digits is 2090188800, while the sum is 81.

The spelling of 12889507825998 in words is "twelve trillion, eight hundred eighty-nine billion, five hundred seven million, eight hundred twenty-five thousand, nine hundred ninety-eight".