12140224232 has 8 divisors (see below), whose sum is σ = 22762920450. Its totient is φ = 6070112112.

The previous prime is 12140224223. The next prime is 12140224237. The reversal of 12140224232 is 23242204121.

It can be written as a sum of positive squares in only one way, i.e., 6565212676 + 5575011556 = 81026^2 + 74666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12140224198 and 12140224207.

It is not an unprimeable number, because it can be changed into a prime (12140224237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758764007 + ... + 758764022.

Almost surely, 2^12140224232 is an apocalyptic number.

It is an amenable number.

12140224232 is a deficient number, since it is larger than the sum of its proper divisors (10622696218).

12140224232 is a wasteful number, since it uses less digits than its factorization.

12140224232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517528035 (or 1517528031 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12140224232 its reverse (23242204121), we get a palindrome (35382428353).

The spelling of 12140224232 in words is "twelve billion, one hundred forty million, two hundred twenty-four thousand, two hundred thirty-two".