12001220320232 has 64 divisors (see below), whose sum is σ = 26505279682560. Its totient is φ = 5022329414400.

The previous prime is 12001220320171. The next prime is 12001220320237. The reversal of 12001220320232 is 23202302210021.

It is a happy number.

12001220320232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12001220320237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13257119 + ... + 14133422.

It is an arithmetic number, because the mean of its divisors is an integer number (414144995040).

Almost surely, 2^{12001220320232} is an apocalyptic number.

It is an amenable number.

12001220320232 is an abundant number, since it is smaller than the sum of its proper divisors (14504059362328).

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

12001220320232 is a wasteful number, since it uses less digits than its factorization.

12001220320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27390954 (or 27390950 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12001220320232 its reverse (23202302210021), we get a palindrome (35203522530253).

The spelling of 12001220320232 in words is "twelve trillion, one billion, two hundred twenty million, three hundred twenty thousand, two hundred thirty-two".