12020163 has 4 divisors (see below), whose sum is σ = 16026888. Its totient is φ = 8013440.

The previous prime is 12020161. The next prime is 12020209. The reversal of 12020163 is 36102021.

12020163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12020163 - 2¹ = 12020161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003358 + ... + 2003363.

It is an arithmetic number, because the mean of its divisors is an integer number (4006722).

Almost surely, 2^12020163 is an apocalyptic number.

12020163 is a deficient number, since it is larger than the sum of its proper divisors (4006725).

12020163 is an equidigital number, since it uses as much as digits as its factorization.

12020163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006724.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12020163 is about 3467.0106720343. The cubic root of 12020163 is about 229.0710038335.

Adding to 12020163 its reverse (36102021), we get a palindrome (48122184).

The spelling of 12020163 in words is "twelve million, twenty thousand, one hundred sixty-three".