12012136 has 16 divisors (see below), whose sum is σ = 23047200. Its totient is φ = 5866224.

The previous prime is 12012131. The next prime is 12012137. The reversal of 12012136 is 63121021.

12012136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12012136² = 288582822564992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12012131) 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, 17116 + ... + 17803.

It is an arithmetic number, because the mean of its divisors is an integer number (1440450).

Almost surely, 2^12012136 is an apocalyptic number.

It is an amenable number.

12012136 is a deficient number, since it is larger than the sum of its proper divisors (11035064).

12012136 is a wasteful number, since it uses less digits than its factorization.

12012136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34968 (or 34964 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12012136 is about 3465.8528531950. The cubic root of 12012136 is about 229.0200016854.

Adding to 12012136 its reverse (63121021), we get a palindrome (75133157).

The spelling of 12012136 in words is "twelve million, twelve thousand, one hundred thirty-six".