12002121212012 has 12 divisors (see below), whose sum is σ = 21916916996016. Its totient is φ = 5740144927440.

The previous prime is 12002121211937. The next prime is 12002121212017. The reversal of 12002121212012 is 21021212120021.

It is not an unprimeable number, because it can be changed into a prime (12002121212017) by changing a digit.

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, 65228919539 + ... + 65228919722.

It is an arithmetic number, because the mean of its divisors is an integer number (1826409749668).

Almost surely, 2^{12002121212012} is an apocalyptic number.

It is an amenable number.

12002121212012 is a deficient number, since it is larger than the sum of its proper divisors (9914795784004).

12002121212012 is a wasteful number, since it uses less digits than its factorization.

12002121212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130457839288 (or 130457839286 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12002121212012 its reverse (21021212120021), we get a palindrome (33023333332033).

The spelling of 12002121212012 in words is "twelve trillion, two billion, one hundred twenty-one million, two hundred twelve thousand, twelve".