12309845799 has 16 divisors (see below), whose sum is σ = 17285703680. Its totient is φ = 7770712320.

The previous prime is 12309845759. The next prime is 12309845803. The reversal of 12309845799 is 99754890321.

It is not a de Polignac number, because 12309845799 - 2¹³ = 12309837607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12309845749) 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, 61434 + ... + 168504.

It is an arithmetic number, because the mean of its divisors is an integer number (1080356480).

Almost surely, 2^12309845799 is an apocalyptic number.

12309845799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12309845799 is a deficient number, since it is larger than the sum of its proper divisors (4975857881).

12309845799 is a wasteful number, since it uses less digits than its factorization.

12309845799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109110.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 12309845799 in words is "twelve billion, three hundred nine million, eight hundred forty-five thousand, seven hundred ninety-nine".