12105248850 has 48 divisors (see below), whose sum is σ = 33356689440. Its totient is φ = 3228066000.

The previous prime is 12105248839. The next prime is 12105248863. The reversal of 12105248850 is 5884250121.

12105248850 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 524 + 88 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4482076 + ... + 4484775.

It is an arithmetic number, because the mean of its divisors is an integer number (694931030).

Almost surely, 2^12105248850 is an apocalyptic number.

12105248850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12105248850 is an abundant number, since it is smaller than the sum of its proper divisors (21251440590).

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

12105248850 is a wasteful number, since it uses less digits than its factorization.

12105248850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966872 (or 8966861 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

Adding to 12105248850 its reverse (5884250121), we get a palindrome (17989498971).

The spelling of 12105248850 in words is "twelve billion, one hundred five million, two hundred forty-eight thousand, eight hundred fifty".