12012212220222 has 8 divisors (see below), whose sum is σ = 24024424440456. Its totient is φ = 4004070740072.

The previous prime is 12012212220191. The next prime is 12012212220269. The reversal of 12012212220222 is 22202221221021.

It is a sphenic number, since it is the product of 3 distinct primes.

12012212220222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001017685013 + ... + 1001017685024.

It is an arithmetic number, because the mean of its divisors is an integer number (3003053055057).

Almost surely, 2^{12012212220222} is an apocalyptic number.

12012212220222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12012212220222 is a wasteful number, since it uses less digits than its factorization.

12012212220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002035370042.

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

Adding to 12012212220222 its reverse (22202221221021), we get a palindrome (34214433441243).

The spelling of 12012212220222 in words is "twelve trillion, twelve billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-two".