12221212000222 has 8 divisors (see below), whose sum is σ = 18590012620272. Its totient is φ = 6024541126800.

The previous prime is 12221212000189. The next prime is 12221212000243. The reversal of 12221212000222 is 22200021212221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12221212000222.

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, 43032436479 + ... + 43032436762.

It is an arithmetic number, because the mean of its divisors is an integer number (2323751577534).

Almost surely, 2^{12221212000222} is an apocalyptic number.

12221212000222 is a deficient number, since it is larger than the sum of its proper divisors (6368800620050).

12221212000222 is an equidigital number, since it uses as much as digits as its factorization.

12221212000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86064873314.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12221212000222 its reverse (22200021212221), we get a palindrome (34421233212443).

The spelling of 12221212000222 in words is "twelve trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twenty-two", and thus it is an aban number.