12012320223012 has 12 divisors (see below), whose sum is σ = 28028747187056. Its totient is φ = 4004106741000.

The previous prime is 12012320222941. The next prime is 12012320223017. The reversal of 12012320223012 is 21032202321021.

12012320223012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12012320223012.

It is not an unprimeable number, because it can be changed into a prime (12012320223017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500513342614 + ... + 500513342637.

Almost surely, 2^{12012320223012} is an apocalyptic number.

12012320223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012320223012 is an abundant number, since it is smaller than the sum of its proper divisors (16016426964044).

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

12012320223012 is a wasteful number, since it uses less digits than its factorization.

12012320223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001026685258 (or 1001026685256 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12012320223012 its reverse (21032202321021), we get a palindrome (33044522544033).

The spelling of 12012320223012 in words is "twelve trillion, twelve billion, three hundred twenty million, two hundred twenty-three thousand, twelve".