12001121102 has 16 divisors (see below), whose sum is σ = 18792762912. Its totient is φ = 5737100160.

The previous prime is 12001121089. The next prime is 12001121149. The reversal of 12001121102 is 20112110021.

12001121102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47738 + ... + 162114.

It is an arithmetic number, because the mean of its divisors is an integer number (1174547682).

Almost surely, 2^12001121102 is an apocalyptic number.

12001121102 is a deficient number, since it is larger than the sum of its proper divisors (6791641810).

12001121102 is a wasteful number, since it uses less digits than its factorization.

12001121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116683.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001121102 its reverse (20112110021), we get a palindrome (32113231123).

The spelling of 12001121102 in words is "twelve billion, one million, one hundred twenty-one thousand, one hundred two".