12215530222 has 32 divisors (see below), whose sum is σ = 21700730880. Its totient is φ = 5046589440.

The previous prime is 12215530213. The next prime is 12215530231. The reversal of 12215530222 is 22203551221.

12215530222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12215530213) and next prime (12215530231).

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 15 ways as a sum of consecutive naturals, for example, 56779 + ... + 166297.

It is an arithmetic number, because the mean of its divisors is an integer number (678147840).

Almost surely, 2^12215530222 is an apocalyptic number.

12215530222 is a deficient number, since it is larger than the sum of its proper divisors (9485200658).

12215530222 is a wasteful number, since it uses less digits than its factorization.

12215530222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109816.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 12215530222 in words is "twelve billion, two hundred fifteen million, five hundred thirty thousand, two hundred twenty-two".