12012134 has 4 divisors (see below), whose sum is σ = 18018204. Its totient is φ = 6006066.

The previous prime is 12012131. The next prime is 12012137. The reversal of 12012134 is 43121021.

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

It is an interprime number because it is at equal distance from previous prime (12012131) and next prime (12012137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012131) 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 as a sum of consecutive naturals, namely, 3003032 + ... + 3003035.

It is an arithmetic number, because the mean of its divisors is an integer number (4504551).

Almost surely, 2^12012134 is an apocalyptic number.

12012134 is a deficient number, since it is larger than the sum of its proper divisors (6006070).

12012134 is an equidigital number, since it uses as much as digits as its factorization.

12012134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006069.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12012134 is about 3465.8525646657. The cubic root of 12012134 is about 229.0199889749.

Adding to 12012134 its reverse (43121021), we get a palindrome (55133155).

The spelling of 12012134 in words is "twelve million, twelve thousand, one hundred thirty-four".