12120010110 has 48 divisors (see below), whose sum is σ = 33936031584. Its totient is φ = 2983386816.

The previous prime is 12120010093. The next prime is 12120010157. The reversal of 12120010110 is 1101002121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12120010092 and 12120010101.

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 23 ways as a sum of consecutive naturals, for example, 5178322 + ... + 5180661.

It is an arithmetic number, because the mean of its divisors is an integer number (707000658).

Almost surely, 2^12120010110 is an apocalyptic number.

12120010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120010110 is an abundant number, since it is smaller than the sum of its proper divisors (21816021474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120010110 is a wasteful number, since it uses less digits than its factorization.

12120010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10359009 (or 10359006 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12120010110 its reverse (1101002121), we get a palindrome (13221012231).

The spelling of 12120010110 in words is "twelve billion, one hundred twenty million, ten thousand, one hundred ten".