12442225550 has 12 divisors (see below), whose sum is σ = 23142539616. Its totient is φ = 4976890200.

The previous prime is 12442225517. The next prime is 12442225637. The reversal of 12442225550 is 5552224421.

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 5 ways as a sum of consecutive naturals, for example, 124422206 + ... + 124422305.

It is an arithmetic number, because the mean of its divisors is an integer number (1928544968).

Almost surely, 2^12442225550 is an apocalyptic number.

12442225550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12442225550 is a deficient number, since it is larger than the sum of its proper divisors (10700314066).

12442225550 is a wasteful number, since it uses less digits than its factorization.

12442225550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248844523 (or 248844518 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 12442225550 its reverse (5552224421), we get a palindrome (17994449971).

The spelling of 12442225550 in words is "twelve billion, four hundred forty-two million, two hundred twenty-five thousand, five hundred fifty".