12355031504 has 60 divisors (see below), whose sum is σ = 25313335200. Its totient is φ = 5840976960.

The previous prime is 12355031497. The next prime is 12355031543. The reversal of 12355031504 is 40513055321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3458039 + ... + 3461609.

It is an arithmetic number, because the mean of its divisors is an integer number (421888920).

Almost surely, 2^12355031504 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 12355031504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12656667600).

12355031504 is an abundant number, since it is smaller than the sum of its proper divisors (12958303696).

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

12355031504 is a wasteful number, since it uses less digits than its factorization.

12355031504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216 (or 4191 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 12355031504 its reverse (40513055321), we get a palindrome (52868086825).

The spelling of 12355031504 in words is "twelve billion, three hundred fifty-five million, thirty-one thousand, five hundred four".