12365730399 has 48 divisors (see below), whose sum is σ = 18919111680. Its totient is φ = 7170556800.

The previous prime is 12365730397. The next prime is 12365730427. The reversal of 12365730399 is 99303756321.

It is not a de Polignac number, because 12365730399 - 2¹ = 12365730397 is a prime.

It is a super-2 number, since 2×12365730399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12365730397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 995344 + ... + 1007690.

It is an arithmetic number, because the mean of its divisors is an integer number (394148160).

Almost surely, 2^12365730399 is an apocalyptic number.

12365730399 is a deficient number, since it is larger than the sum of its proper divisors (6553381281).

12365730399 is a wasteful number, since it uses less digits than its factorization.

12365730399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12492 (or 12481 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 48.

The spelling of 12365730399 in words is "twelve billion, three hundred sixty-five million, seven hundred thirty thousand, three hundred ninety-nine".