12452212550 has 48 divisors (see below), whose sum is σ = 23576616000. Its totient is φ = 4891696800.

The previous prime is 12452212543. The next prime is 12452212561. The reversal of 12452212550 is 5521225421.

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 23 ways as a sum of consecutive naturals, for example, 5931401 + ... + 5933499.

It is an arithmetic number, because the mean of its divisors is an integer number (491179500).

Almost surely, 2^12452212550 is an apocalyptic number.

12452212550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12452212550 is a deficient number, since it is larger than the sum of its proper divisors (11124403450).

12452212550 is a wasteful number, since it uses less digits than its factorization.

12452212550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181 (or 4176 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 12452212550 its reverse (5521225421), we get a palindrome (17973437971).

The spelling of 12452212550 in words is "twelve billion, four hundred fifty-two million, two hundred twelve thousand, five hundred fifty".