12222012120222 has 32 divisors (see below), whose sum is σ = 25732531899648. Its totient is φ = 3862387819136.

The previous prime is 12222012120209. The next prime is 12222012120223. The reversal of 12222012120222 is 22202121022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222012120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391866288 + ... + 391897475.

It is an arithmetic number, because the mean of its divisors is an integer number (804141621864).

Almost surely, 2^{12222012120222} is an apocalyptic number.

12222012120222 is an abundant number, since it is smaller than the sum of its proper divisors (13510519779426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222012120222 is a wasteful number, since it uses less digits than its factorization.

12222012120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783763904.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12222012120222 its reverse (22202121022221), we get a palindrome (34424133142443).

The spelling of 12222012120222 in words is "twelve trillion, two hundred twenty-two billion, twelve million, one hundred twenty thousand, two hundred twenty-two".