12123211102 has 16 divisors (see below), whose sum is σ = 18357123600. Its totient is φ = 6004236672.

The previous prime is 12123211091. The next prime is 12123211123. The reversal of 12123211102 is 20111232121.

12123211102 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, 368188 + ... + 399760.

It is an arithmetic number, because the mean of its divisors is an integer number (1147320225).

Almost surely, 2^12123211102 is an apocalyptic number.

12123211102 is a deficient number, since it is larger than the sum of its proper divisors (6233912498).

12123211102 is a wasteful number, since it uses less digits than its factorization.

12123211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33387.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12123211102 its reverse (20111232121), we get a palindrome (32234443223).

The spelling of 12123211102 in words is "twelve billion, one hundred twenty-three million, two hundred eleven thousand, one hundred two".