12355025504312 has 64 divisors (see below), whose sum is σ = 24910828024320. Its totient is φ = 5723584593408.

The previous prime is 12355025504303. The next prime is 12355025504323. The reversal of 12355025504312 is 21340552055321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13432433 + ... + 14322719.

It is an arithmetic number, because the mean of its divisors is an integer number (389231687880).

Almost surely, 2^{12355025504312} is an apocalyptic number.

It is an amenable number.

12355025504312 is an abundant number, since it is smaller than the sum of its proper divisors (12555802520008).

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

12355025504312 is a wasteful number, since it uses less digits than its factorization.

12355025504312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891900 (or 891896 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 12355025504312 its reverse (21340552055321), we get a palindrome (33695577559633).

The spelling of 12355025504312 in words is "twelve trillion, three hundred fifty-five billion, twenty-five million, five hundred four thousand, three hundred twelve".