12020106 has 32 divisors (see below), whose sum is σ = 27688320. Its totient is φ = 3407616.

The previous prime is 12020083. The next prime is 12020119. The reversal of 12020106 is 60102021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12020091 and 12020100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4710 + ... + 6798.

It is an arithmetic number, because the mean of its divisors is an integer number (865260).

Almost surely, 2^12020106 is an apocalyptic number.

12020106 is an abundant number, since it is smaller than the sum of its proper divisors (15668214).

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

12020106 is a wasteful number, since it uses less digits than its factorization.

12020106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12020106 is about 3467.0024516865. The cubic root of 12020106 is about 229.0706417456.

Adding to 12020106 its reverse (60102021), we get a palindrome (72122127).

The spelling of 12020106 in words is "twelve million, twenty thousand, one hundred six".