12789508989258 has 48 divisors (see below), whose sum is σ = 27726671022336. Its totient is φ = 4260698189280.

The previous prime is 12789508989253. The next prime is 12789508989277. The reversal of 12789508989258 is 85298980598721.

12789508989258 is a `hidden beast` number, since 1 + 2 + 7 + 8 + 9 + 508 + 9 + 89 + 25 + 8 = 666.

It is a super-2 number, since 2×12789508989258² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12789508989253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359814235 + ... + 359849777.

It is an arithmetic number, because the mean of its divisors is an integer number (577638979632).

Almost surely, 2^{12789508989258} is an apocalyptic number.

12789508989258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12789508989258 is an abundant number, since it is smaller than the sum of its proper divisors (14937162033078).

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

12789508989258 is a wasteful number, since it uses less digits than its factorization.

12789508989258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46579 (or 46576 counting only the distinct ones).

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

The spelling of 12789508989258 in words is "twelve trillion, seven hundred eighty-nine billion, five hundred eight million, nine hundred eighty-nine thousand, two hundred fifty-eight".