12120342232 has 32 divisors (see below), whose sum is σ = 23262655680. Its totient is φ = 5917070880.

The previous prime is 12120342197. The next prime is 12120342239. The reversal of 12120342232 is 23224302121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120342239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347783 + ... + 1356745.

It is an arithmetic number, because the mean of its divisors is an integer number (726957990).

Almost surely, 2^12120342232 is an apocalyptic number.

It is an amenable number.

12120342232 is a deficient number, since it is larger than the sum of its proper divisors (11142313448).

12120342232 is a wasteful number, since it uses less digits than its factorization.

12120342232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12943 (or 12939 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12120342232 its reverse (23224302121), we get a palindrome (35344644353).

The spelling of 12120342232 in words is "twelve billion, one hundred twenty million, three hundred forty-two thousand, two hundred thirty-two".