12133121110 has 64 divisors (see below), whose sum is σ = 23992718400. Its totient is φ = 4381125120.

The previous prime is 12133121087. The next prime is 12133121177. The reversal of 12133121110 is 1112133121.

It is a happy number.

12133121110 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 31 ways as a sum of consecutive naturals, for example, 12169132 + ... + 12170128.

It is an arithmetic number, because the mean of its divisors is an integer number (374886225).

Almost surely, 2^12133121110 is an apocalyptic number.

12133121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12133121110 is a deficient number, since it is larger than the sum of its proper divisors (11859597290).

12133121110 is a wasteful number, since it uses less digits than its factorization.

12133121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12133121110 its reverse (1112133121), we get a palindrome (13245254231).

The spelling of 12133121110 in words is "twelve billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred ten".