12012164 has 24 divisors (see below), whose sum is σ = 22317120. Its totient is φ = 5645024.

The previous prime is 12012157. The next prime is 12012167. The reversal of 12012164 is 46121021.

It is not an unprimeable number, because it can be changed into a prime (12012167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4322 + ... + 6534.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 2^12012164 is an apocalyptic number.

It is an amenable number.

12012164 is a deficient number, since it is larger than the sum of its proper divisors (10304956).

12012164 is a wasteful number, since it uses less digits than its factorization.

12012164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12012164 is about 3465.8568926025. The cubic root of 12012164 is about 229.0201796319.

Adding to 12012164 its reverse (46121021), we get a palindrome (58133185).

It can be divided in two parts, 1201216 and 4, that multiplied together give a square (4804864 = 2192²).

The spelling of 12012164 in words is "twelve million, twelve thousand, one hundred sixty-four".