12002022221332 has 36 divisors (see below), whose sum is σ = 24862421760148. Its totient is φ = 5035813516800.

The previous prime is 12002022221297. The next prime is 12002022221347. The reversal of 12002022221332 is 23312222020021.

It can be written as a sum of positive squares in 2 ways, for example, as 1169590338576 + 10832431882756 = 1081476^2 + 3291266^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 953746269 + ... + 953758852.

Almost surely, 2^{12002022221332} is an apocalyptic number.

It is an amenable number.

12002022221332 is an abundant number, since it is smaller than the sum of its proper divisors (12860399538816).

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

12002022221332 is a wasteful number, since it uses less digits than its factorization.

12002022221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907505160 (or 1907505147 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12002022221332 its reverse (23312222020021), we get a palindrome (35314244241353).

The spelling of 12002022221332 in words is "twelve trillion, two billion, twenty-two million, two hundred twenty-one thousand, three hundred thirty-two".