12565114747232 has 192 divisors, whose sum is σ = 26705088184320. Its totient is φ = 5798484197376.

The previous prime is 12565114747187. The next prime is 12565114747243. The reversal of 12565114747232 is 23274741156521.

It is a super-2 number, since 2×12565114747232² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4676260193 + ... + 4676262879.

It is an arithmetic number, because the mean of its divisors is an integer number (139089000960).

Almost surely, 2^{12565114747232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12565114747232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13352544092160).

12565114747232 is an abundant number, since it is smaller than the sum of its proper divisors (14139973437088).

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

12565114747232 is a wasteful number, since it uses less digits than its factorization.

12565114747232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493 (or 3485 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 50.

The spelling of 12565114747232 in words is "twelve trillion, five hundred sixty-five billion, one hundred fourteen million, seven hundred forty-seven thousand, two hundred thirty-two".