12689240998239 has 48 divisors (see below), whose sum is σ = 20778625576800. Its totient is φ = 7397448208128.

The previous prime is 12689240998229. The next prime is 12689240998249. The reversal of 12689240998239 is 93289904298621.

12689240998239 is a `hidden beast` number, since 1 + 2 + 68 + 9 + 240 + 9 + 98 + 239 = 666.

It is an interprime number because it is at equal distance from previous prime (12689240998229) and next prime (12689240998249).

It is not a de Polignac number, because 12689240998239 - 2⁷ = 12689240998111 is a prime.

It is a super-2 number, since 2×12689240998239² (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 (12689240998229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55543257 + ... + 55771245.

It is an arithmetic number, because the mean of its divisors is an integer number (432888032850).

Almost surely, 2^{12689240998239} is an apocalyptic number.

12689240998239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12689240998239 is a deficient number, since it is larger than the sum of its proper divisors (8089384578561).

12689240998239 is a wasteful number, since it uses less digits than its factorization.

12689240998239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253064 (or 253061 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 72.

The spelling of 12689240998239 in words is "twelve trillion, six hundred eighty-nine billion, two hundred forty million, nine hundred ninety-eight thousand, two hundred thirty-nine".