12365218543104 has 160 divisors (see below), whose sum is σ = 41830749565440. Its totient is φ = 3532919556096.

The previous prime is 12365218543099. The next prime is 12365218543109. The reversal of 12365218543104 is 40134581256321.

12365218543104 is a `hidden beast` number, since 1 + 2 + 3 + 6 + 521 + 85 + 43 + 1 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (12365218543099) and next prime (12365218543109).

It is a self number, because there is not a number n which added to its sum of digits gives 12365218543104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12365218543109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63794284 + ... + 63987819.

It is an arithmetic number, because the mean of its divisors is an integer number (261442184784).

Almost surely, 2^{12365218543104} is an apocalyptic number.

12365218543104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12365218543104 is an abundant number, since it is smaller than the sum of its proper divisors (29465531022336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12365218543104 is an equidigital number, since it uses as much as digits as its factorization.

12365218543104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127782137 (or 127782115 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

Adding to 12365218543104 its reverse (40134581256321), we get a palindrome (52499799799425).

The spelling of 12365218543104 in words is "twelve trillion, three hundred sixty-five billion, two hundred eighteen million, five hundred forty-three thousand, one hundred four".