12222232545015 has 40 divisors (see below), whose sum is σ = 21988579335360. Its totient is φ = 6494991386688.

The previous prime is 12222232545001. The next prime is 12222232545049. The reversal of 12222232545015 is 51054523222221.

12222232545015 is a `hidden beast` number, since 122 + 2 + 2 + 2 + 3 + 25 + 4 + 501 + 5 = 666.

It is not a de Polignac number, because 12222232545015 - 2⁷ = 12222232544887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54361375 + ... + 54585744.

It is an arithmetic number, because the mean of its divisors is an integer number (549714483384).

Almost surely, 2^{12222232545015} is an apocalyptic number.

12222232545015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12222232545015 is a deficient number, since it is larger than the sum of its proper divisors (9766346790345).

12222232545015 is a wasteful number, since it uses less digits than its factorization.

12222232545015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108947413 (or 108947404 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 12222232545015 its reverse (51054523222221), we get a palindrome (63276755767236).

The spelling of 12222232545015 in words is "twelve trillion, two hundred twenty-two billion, two hundred thirty-two million, five hundred forty-five thousand, fifteen".