12240431152 has 20 divisors (see below), whose sum is σ = 23719030000. Its totient is φ = 6119391168.

The previous prime is 12240431149. The next prime is 12240431167. The reversal of 12240431152 is 25113404221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81349 + ... + 176347.

It is an arithmetic number, because the mean of its divisors is an integer number (1185951500).

Almost surely, 2^12240431152 is an apocalyptic number.

It is an amenable number.

12240431152 is a deficient number, since it is larger than the sum of its proper divisors (11478598848).

12240431152 is an equidigital number, since it uses as much as digits as its factorization.

12240431152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103060 (or 103054 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12240431152 its reverse (25113404221), we get a palindrome (37353835373).

The spelling of 12240431152 in words is "twelve billion, two hundred forty million, four hundred thirty-one thousand, one hundred fifty-two".