12305730744245 has 32 divisors (see below), whose sum is σ = 15286743688320. Its totient is φ = 9498483715840.

The previous prime is 12305730744221. The next prime is 12305730744257. The reversal of 12305730744245 is 54244703750321.

It is not a de Polignac number, because 12305730744245 - 2²⁶ = 12305663635381 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12305730744245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2116929959 + ... + 2116935771.

It is an arithmetic number, because the mean of its divisors is an integer number (477710740260).

Almost surely, 2^{12305730744245} is an apocalyptic number.

It is an amenable number.

12305730744245 is a deficient number, since it is larger than the sum of its proper divisors (2981012944075).

12305730744245 is a wasteful number, since it uses less digits than its factorization.

12305730744245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13525.

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 12305730744245 in words is "twelve trillion, three hundred five billion, seven hundred thirty million, seven hundred forty-four thousand, two hundred forty-five".