12222121130112 has 32 divisors (see below), whose sum is σ = 32465009252880. Its totient is φ = 4074040376576.

The previous prime is 12222121130083. The next prime is 12222121130137. The reversal of 12222121130112 is 21103112122221.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15914219838 + ... + 15914220605.

Almost surely, 2^{12222121130112} is an apocalyptic number.

12222121130112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222121130112 is an abundant number, since it is smaller than the sum of its proper divisors (20242888122768).

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

12222121130112 is an equidigital number, since it uses as much as digits as its factorization.

12222121130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31828440460 (or 31828440448 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 12222121130112 its reverse (21103112122221), we get a palindrome (33325233252333).

The spelling of 12222121130112 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred thirty thousand, one hundred twelve".