12001221111202 has 16 divisors (see below), whose sum is σ = 18026777022912. Its totient is φ = 5992297408720.

The previous prime is 12001221111149. The next prime is 12001221111203. The reversal of 12001221111202 is 20211112210021.

It is not an unprimeable number, because it can be changed into a prime (12001221111203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11789877 + ... + 12767287.

It is an arithmetic number, because the mean of its divisors is an integer number (1126673563932).

Almost surely, 2^{12001221111202} is an apocalyptic number.

12001221111202 is a deficient number, since it is larger than the sum of its proper divisors (6025555911710).

12001221111202 is an equidigital number, since it uses as much as digits as its factorization.

12001221111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985913.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12001221111202 its reverse (20211112210021), we get a palindrome (32212333321223).

The spelling of 12001221111202 in words is "twelve trillion, one billion, two hundred twenty-one million, one hundred eleven thousand, two hundred two".