12698095238399 has 16 divisors (see below), whose sum is σ = 13377848016000. Its totient is φ = 12019488510240.

The previous prime is 12698095238351. The next prime is 12698095238449. The reversal of 12698095238399 is 99383259089621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12698095238399 is a prime.

It is a super-2 number, since 2×12698095238399² (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 (12698095238099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177960872 + ... + 178032210.

It is an arithmetic number, because the mean of its divisors is an integer number (836115501000).

Almost surely, 2^{12698095238399} is an apocalyptic number.

12698095238399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12698095238399 is a deficient number, since it is larger than the sum of its proper divisors (679752777601).

12698095238399 is a wasteful number, since it uses less digits than its factorization.

12698095238399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79238.

The product of its (nonzero) digits is 453496320, while the sum is 74.

The spelling of 12698095238399 in words is "twelve trillion, six hundred ninety-eight billion, ninety-five million, two hundred thirty-eight thousand, three hundred ninety-nine".