12089068550 has 36 divisors (see below), whose sum is σ = 24348402540. Its totient is φ = 4463652960.

The previous prime is 12089068531. The next prime is 12089068561. The reversal of 12089068550 is 5586098021.

It is a super-2 number, since 2×12089068550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 706880 + ... + 723779.

It is an arithmetic number, because the mean of its divisors is an integer number (676344515).

Almost surely, 2^12089068550 is an apocalyptic number.

12089068550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12089068550 is an abundant number, since it is smaller than the sum of its proper divisors (12259333990).

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

12089068550 is a wasteful number, since it uses less digits than its factorization.

12089068550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430697 (or 1430679 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 12089068550 in words is "twelve billion, eighty-nine million, sixty-eight thousand, five hundred fifty".