12000012021222 has 16 divisors (see below), whose sum is σ = 24406804111680. Its totient is φ = 3932207328872.

The previous prime is 12000012021191. The next prime is 12000012021223. The reversal of 12000012021222 is 22212021000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000012021223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16949169168 + ... + 16949169875.

It is an arithmetic number, because the mean of its divisors is an integer number (1525425256980).

Almost surely, 2^{12000012021222} is an apocalyptic number.

12000012021222 is an abundant number, since it is smaller than the sum of its proper divisors (12406792090458).

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

12000012021222 is a wasteful number, since it uses less digits than its factorization.

12000012021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33898339107.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12000012021222 its reverse (22212021000021), we get a palindrome (34212033021243).

It can be divided in two parts, 1200001 and 2021222, that added together give a palindrome (3221223).

The spelling of 12000012021222 in words is "twelve trillion, twelve million, twenty-one thousand, two hundred twenty-two".