12001122112002 has 8 divisors (see below), whose sum is σ = 24002244224016. Its totient is φ = 4000374037332.

The previous prime is 12001122111977. The next prime is 12001122112003. The reversal of 12001122112002 is 20021122110021.

It is a sphenic number, since it is the product of 3 distinct primes.

12001122112002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12001122112003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000093509328 + ... + 1000093509339.

It is an arithmetic number, because the mean of its divisors is an integer number (3000280528002).

Almost surely, 2^{12001122112002} is an apocalyptic number.

12001122112002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12001122112002 is a wasteful number, since it uses less digits than its factorization.

12001122112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000187018672.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12001122112002 its reverse (20021122110021), we get a palindrome (32022244222023).

The spelling of 12001122112002 in words is "twelve trillion, one billion, one hundred twenty-two million, one hundred twelve thousand, two".