12011152 has 40 divisors (see below), whose sum is σ = 24569856. Its totient is φ = 5677056.

The previous prime is 12011149. The next prime is 12011171. The reversal of 12011152 is 25111021.

It is an unprimeable number.

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, 46608 + ... + 46864.

Almost surely, 2^12011152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12284928).

12011152 is an abundant number, since it is smaller than the sum of its proper divisors (12558704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011152 is a wasteful number, since it uses less digits than its factorization.

12011152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 12011152 is about 3465.7108938860. The cubic root of 12011152 is about 229.0137479590.

Adding to 12011152 its reverse (25111021), we get a palindrome (37122173).

The spelling of 12011152 in words is "twelve million, eleven thousand, one hundred fifty-two".