12222056215138 has 32 divisors (see below), whose sum is σ = 22858310458368. Its totient is φ = 4761532155600.

The previous prime is 12222056215099. The next prime is 12222056215169. The reversal of 12222056215138 is 83151265022221.

12222056215138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12222056215138.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169620 + ... + 4947007.

It is an arithmetic number, because the mean of its divisors is an integer number (714322201824).

Almost surely, 2^{12222056215138} is an apocalyptic number.

12222056215138 is a deficient number, since it is larger than the sum of its proper divisors (10636254243230).

12222056215138 is a wasteful number, since it uses less digits than its factorization.

12222056215138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132158.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 12222056215138 in words is "twelve trillion, two hundred twenty-two billion, fifty-six million, two hundred fifteen thousand, one hundred thirty-eight".