12123020211110 has 32 divisors (see below), whose sum is σ = 21851615711232. Its totient is φ = 4842502236000.

The previous prime is 12123020211101. The next prime is 12123020211163. The reversal of 12123020211110 is 1111202032121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 234158447 + ... + 234210213.

It is an arithmetic number, because the mean of its divisors is an integer number (682862990976).

Almost surely, 2^{12123020211110} is an apocalyptic number.

12123020211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123020211110 is a deficient number, since it is larger than the sum of its proper divisors (9728595500122).

12123020211110 is a wasteful number, since it uses less digits than its factorization.

12123020211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83708.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12123020211110 its reverse (1111202032121), we get a palindrome (13234222243231).

The spelling of 12123020211110 in words is "twelve trillion, one hundred twenty-three billion, twenty million, two hundred eleven thousand, one hundred ten".