12741872550 has 96 divisors (see below), whose sum is σ = 34497684864. Its totient is φ = 3086688000.

The previous prime is 12741872501. The next prime is 12741872569. The reversal of 12741872550 is 5527814721.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3910522 + ... + 3913778.

It is an arithmetic number, because the mean of its divisors is an integer number (359350884).

Almost surely, 2^12741872550 is an apocalyptic number.

12741872550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12741872550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17248842432).

12741872550 is an abundant number, since it is smaller than the sum of its proper divisors (21755812314).

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

12741872550 is a wasteful number, since it uses less digits than its factorization.

12741872550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654 (or 5649 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The spelling of 12741872550 in words is "twelve billion, seven hundred forty-one million, eight hundred seventy-two thousand, five hundred fifty".