12020167 has 4 divisors (see below), whose sum is σ = 12112056. Its totient is φ = 11928280.

The previous prime is 12020161. The next prime is 12020209. The reversal of 12020167 is 76102021.

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 12020167 - 2¹⁹ = 11495879 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 45748 + ... + 46009.

It is an arithmetic number, because the mean of its divisors is an integer number (3028014).

Almost surely, 2^12020167 is an apocalyptic number.

12020167 is a deficient number, since it is larger than the sum of its proper divisors (91889).

12020167 is an equidigital number, since it uses as much as digits as its factorization.

12020167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91888.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12020167 is about 3467.0112489001. The cubic root of 12020167 is about 229.0710292432.

Adding to 12020167 its reverse (76102021), we get a palindrome (88122188).

The spelling of 12020167 in words is "twelve million, twenty thousand, one hundred sixty-seven".