12222133021312 has 32 divisors (see below), whose sum is σ = 24682325587380. Its totient is φ = 6027353266176.

The previous prime is 12222133021303. The next prime is 12222133021331. The reversal of 12222133021312 is 21312033122221.

It can be written as a sum of positive squares in 2 ways, for example, as 11508540595776 + 713592425536 = 3392424^2 + 844744^2 .

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654000343 + ... + 654019030.

Almost surely, 2^{12222133021312} is an apocalyptic number.

It is an amenable number.

12222133021312 is an abundant number, since it is smaller than the sum of its proper divisors (12460192566068).

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

12222133021312 is an equidigital number, since it uses as much as digits as its factorization.

12222133021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308019460 (or 1308019448 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12222133021312 its reverse (21312033122221), we get a palindrome (33534166143533).

The spelling of 12222133021312 in words is "twelve trillion, two hundred twenty-two billion, one hundred thirty-three million, twenty-one thousand, three hundred twelve".