12001212101110 has 64 divisors (see below), whose sum is σ = 21787995340800. Its totient is φ = 4759380892800.

The previous prime is 12001212101101. The next prime is 12001212101113. The reversal of 12001212101110 is 1110121210021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001212101113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1084016875 + ... + 1084027945.

It is an arithmetic number, because the mean of its divisors is an integer number (340437427200).

Almost surely, 2^{12001212101110} is an apocalyptic number.

12001212101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001212101110 is a deficient number, since it is larger than the sum of its proper divisors (9786783239690).

12001212101110 is a wasteful number, since it uses less digits than its factorization.

12001212101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13117.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12001212101110 its reverse (1110121210021), we get a palindrome (13111333311131).

The spelling of 12001212101110 in words is "twelve trillion, one billion, two hundred twelve million, one hundred one thousand, one hundred ten".