12011212112110 has 32 divisors (see below), whose sum is σ = 22578636833280. Its totient is φ = 4591836451488.

The previous prime is 12011212112093. The next prime is 12011212112149. The reversal of 12011212112110 is 1121121211021.

It is a super-3 number, since 3×12011212112110³ (a number of 40 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 21068940 + ... + 21631519.

It is an arithmetic number, because the mean of its divisors is an integer number (705582401040).

Almost surely, 2^{12011212112110} is an apocalyptic number.

12011212112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011212112110 is a deficient number, since it is larger than the sum of its proper divisors (10567424721170).

12011212112110 is a wasteful number, since it uses less digits than its factorization.

12011212112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42701712.

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

Adding to 12011212112110 its reverse (1121121211021), we get a palindrome (13132333323131).

The spelling of 12011212112110 in words is "twelve trillion, eleven billion, two hundred twelve million, one hundred twelve thousand, one hundred ten".