12012230232 has 64 divisors (see below), whose sum is σ = 33572112000. Its totient is φ = 3979500192.

The previous prime is 12012230203. The next prime is 12012230267. The reversal of 12012230232 is 23203221021.

12012230232 is a `hidden beast` number, since 1 + 201 + 2 + 230 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135382 + ... + 205797.

It is an arithmetic number, because the mean of its divisors is an integer number (524564250).

Almost surely, 2^12012230232 is an apocalyptic number.

12012230232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012230232 is an abundant number, since it is smaller than the sum of its proper divisors (21559881768).

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

12012230232 is a wasteful number, since it uses less digits than its factorization.

12012230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341357 (or 341347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12012230232 its reverse (23203221021), we get a palindrome (35215451253).

The spelling of 12012230232 in words is "twelve billion, twelve million, two hundred thirty thousand, two hundred thirty-two".