12365133056 has 72 divisors (see below), whose sum is σ = 26295683904. Its totient is φ = 5782855680.

The previous prime is 12365132999. The next prime is 12365133059. The reversal of 12365133056 is 65033156321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12365133059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700661 + ... + 718091.

It is an arithmetic number, because the mean of its divisors is an integer number (365217832).

Almost surely, 2^12365133056 is an apocalyptic number.

12365133056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12365133056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13147841952).

12365133056 is an abundant number, since it is smaller than the sum of its proper divisors (13930550848).

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

12365133056 is a wasteful number, since it uses less digits than its factorization.

12365133056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17627 (or 17613 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 12365133056 its reverse (65033156321), we get a palindrome (77398289377).

The spelling of 12365133056 in words is "twelve billion, three hundred sixty-five million, one hundred thirty-three thousand, fifty-six".