12422251215 has 48 divisors (see below), whose sum is σ = 23540733216. Its totient is φ = 6009734400.

The previous prime is 12422251201. The next prime is 12422251223. The reversal of 12422251215 is 51215222421.

12422251215 is a `hidden beast` number, since 1 + 2 + 422 + 25 + 1 + 215 = 666.

12422251215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12422251215 - 2⁸ = 12422250959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200977 + ... + 255413.

It is an arithmetic number, because the mean of its divisors is an integer number (490431942).

Almost surely, 2^12422251215 is an apocalyptic number.

12422251215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12422251215 is a deficient number, since it is larger than the sum of its proper divisors (11118482001).

12422251215 is a wasteful number, since it uses less digits than its factorization.

12422251215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54920 (or 54917 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

Adding to 12422251215 its reverse (51215222421), we get a palindrome (63637473636).

The spelling of 12422251215 in words is "twelve billion, four hundred twenty-two million, two hundred fifty-one thousand, two hundred fifteen".