12012320601 has 32 divisors (see below), whose sum is σ = 18112429440. Its totient is φ = 7866720000.

The previous prime is 12012320597. The next prime is 12012320609. The reversal of 12012320601 is 10602321021.

12012320601 is a `hidden beast` number, since 1 + 20 + 1 + 23 + 20 + 601 = 666.

It is not a de Polignac number, because 12012320601 - 2² = 12012320597 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12012320609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482581 + ... + 506861.

It is an arithmetic number, because the mean of its divisors is an integer number (566013420).

Almost surely, 2^12012320601 is an apocalyptic number.

It is an amenable number.

12012320601 is a deficient number, since it is larger than the sum of its proper divisors (6100108839).

12012320601 is a wasteful number, since it uses less digits than its factorization.

12012320601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24614 (or 24608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12012320601 its reverse (10602321021), we get a palindrome (22614641622).

The spelling of 12012320601 in words is "twelve billion, twelve million, three hundred twenty thousand, six hundred one".