12120167 has 4 divisors (see below), whose sum is σ = 12833136. Its totient is φ = 11407200.

The previous prime is 12120091. The next prime is 12120179. The reversal of 12120167 is 76102121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76102121 = 397 ⋅191693.

It is a cyclic number.

It is not a de Polignac number, because 12120167 - 2¹⁴ = 12103783 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 (12120067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 356459 + ... + 356492.

It is an arithmetic number, because the mean of its divisors is an integer number (3208284).

Almost surely, 2^12120167 is an apocalyptic number.

12120167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12120167 is a deficient number, since it is larger than the sum of its proper divisors (712969).

12120167 is an equidigital number, since it uses as much as digits as its factorization.

12120167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712968.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 12120167 is about 3481.4030217715. The cubic root of 12120167 is about 229.7045165822.

Adding to 12120167 its reverse (76102121), we get a palindrome (88222288).

The spelling of 12120167 in words is "twelve million, one hundred twenty thousand, one hundred sixty-seven".