12807804243 has 32 divisors (see below), whose sum is σ = 18764811072. Its totient is φ = 7723008000.

The previous prime is 12807804203. The next prime is 12807804253. The reversal of 12807804243 is 34240870821.

It is not a de Polignac number, because 12807804243 - 2¹⁴ = 12807787859 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12807804203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365323 + ... + 398843.

It is an arithmetic number, because the mean of its divisors is an integer number (586400346).

Almost surely, 2^12807804243 is an apocalyptic number.

12807804243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12807804243 is a deficient number, since it is larger than the sum of its proper divisors (5957006829).

12807804243 is a wasteful number, since it uses less digits than its factorization.

12807804243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33735.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 12807804243 in words is "twelve billion, eight hundred seven million, eight hundred four thousand, two hundred forty-three".