12002021002122 has 16 divisors (see below), whose sum is σ = 24005084077632. Its totient is φ = 4000499988480.

The previous prime is 12002021002121. The next prime is 12002021002151. The reversal of 12002021002122 is 22120012020021.

It is not an unprimeable number, because it can be changed into a prime (12002021002121) 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, 43269958 + ... + 43546449.

It is an arithmetic number, because the mean of its divisors is an integer number (1500317754852).

Almost surely, 2^{12002021002122} is an apocalyptic number.

12002021002122 is an abundant number, since it is smaller than the sum of its proper divisors (12003063075510).

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

12002021002122 is a wasteful number, since it uses less digits than its factorization.

12002021002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86839453.

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

Adding to 12002021002122 its reverse (22120012020021), we get a palindrome (34122033022143).

The spelling of 12002021002122 in words is "twelve trillion, two billion, twenty-one million, two thousand, one hundred twenty-two".