12303214550 has 24 divisors (see below), whose sum is σ = 24964341912. Its totient is φ = 4473896000.

The previous prime is 12303214543. The next prime is 12303214577. The reversal of 12303214550 is 5541230321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11184191 + ... + 11185290.

It is an arithmetic number, because the mean of its divisors is an integer number (1040180913).

Almost surely, 2^12303214550 is an apocalyptic number.

12303214550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12303214550 is an abundant number, since it is smaller than the sum of its proper divisors (12661127362).

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

12303214550 is a wasteful number, since it uses less digits than its factorization.

12303214550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22369504 (or 22369499 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12303214550 its reverse (5541230321), we get a palindrome (17844444871).

The spelling of 12303214550 in words is "twelve billion, three hundred three million, two hundred fourteen thousand, five hundred fifty".