12788281807399 has 8 divisors (see below), whose sum is σ = 14615214331040. Its totient is φ = 10961358064416.

The previous prime is 12788281807387. The next prime is 12788281807439. The reversal of 12788281807399 is 99370818288721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12788281807399 - 2⁷ = 12788281807271 is a prime.

It is a super-2 number, since 2×12788281807399² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12788281807999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295857 + ... + 5220709.

It is an arithmetic number, because the mean of its divisors is an integer number (1826901791380).

Almost surely, 2^{12788281807399} is an apocalyptic number.

12788281807399 is a deficient number, since it is larger than the sum of its proper divisors (1826932523641).

12788281807399 is an equidigital number, since it uses as much as digits as its factorization.

12788281807399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390329.

The product of its (nonzero) digits is 195084288, while the sum is 73.

The spelling of 12788281807399 in words is "twelve trillion, seven hundred eighty-eight billion, two hundred eighty-one million, eight hundred seven thousand, three hundred ninety-nine".