12120110110 has 16 divisors (see below), whose sum is σ = 21817940400. Its totient is φ = 4847656896.

The previous prime is 12120110077. The next prime is 12120110111. The reversal of 12120110110 is 1101102121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120110111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106786 + ... + 188794.

It is an arithmetic number, because the mean of its divisors is an integer number (1363621275).

Almost surely, 2^12120110110 is an apocalyptic number.

12120110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120110110 is a deficient number, since it is larger than the sum of its proper divisors (9697830290).

12120110110 is a wasteful number, since it uses less digits than its factorization.

12120110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96795.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12120110110 its reverse (1101102121), we get a palindrome (13221212231).

The spelling of 12120110110 in words is "twelve billion, one hundred twenty million, one hundred ten thousand, one hundred ten".