12550882803438 has 16 divisors (see below), whose sum is σ = 28687732122240. Its totient is φ = 3585966515256.

The previous prime is 12550882803397. The next prime is 12550882803439. The reversal of 12550882803438 is 83430828805521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550882803439) 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, 149415271428 + ... + 149415271511.

It is an arithmetic number, because the mean of its divisors is an integer number (1792983257640).

Almost surely, 2^{12550882803438} is an apocalyptic number.

12550882803438 is an abundant number, since it is smaller than the sum of its proper divisors (16136849318802).

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

12550882803438 is a wasteful number, since it uses less digits than its factorization.

12550882803438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298830542951.

The product of its (nonzero) digits is 14745600, while the sum is 57.

The spelling of 12550882803438 in words is "twelve trillion, five hundred fifty billion, eight hundred eighty-two million, eight hundred three thousand, four hundred thirty-eight".