12002022221312 has 40 divisors (see below), whose sum is σ = 25391226716856. Its totient is φ = 5648010452992.

The previous prime is 12002022221297. The next prime is 12002022221347. The reversal of 12002022221312 is 21312222020021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689445698 + ... + 689463105.

Almost surely, 2^{12002022221312} is an apocalyptic number.

It is an amenable number.

12002022221312 is an abundant number, since it is smaller than the sum of its proper divisors (13389204495544).

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

12002022221312 is an equidigital number, since it uses as much as digits as its factorization.

12002022221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378908838 (or 1378908822 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12002022221312 its reverse (21312222020021), we get a palindrome (33314244241333).

The spelling of 12002022221312 in words is "twelve trillion, two billion, twenty-two million, two hundred twenty-one thousand, three hundred twelve".