12122110 has 96 divisors (see below), whose sum is σ = 29992032. Its totient is φ = 3467520.

The previous prime is 12122093. The next prime is 12122111. The reversal of 12122110 is 1122121.

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 (12122111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69984 + ... + 70156.

It is an arithmetic number, because the mean of its divisors is an integer number (312417).

Almost surely, 2^12122110 is an apocalyptic number.

12122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122110 is an abundant number, since it is smaller than the sum of its proper divisors (17869922).

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

12122110 is a wasteful number, since it uses less digits than its factorization.

12122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 12122110 is about 3481.6820647497. The cubic root of 12122110 is about 229.7167906712.

Adding to 12122110 its reverse (1122121), we get a palindrome (13244231).

The spelling of 12122110 in words is "twelve million, one hundred twenty-two thousand, one hundred ten".