12012130617 has 8 divisors (see below), whose sum is σ = 16052329824. Its totient is φ = 7990009248.

The previous prime is 12012130579. The next prime is 12012130649. The reversal of 12012130617 is 71603121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12012130617 - 2¹² = 12012126521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012150617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4517908 + ... + 4520565.

It is an arithmetic number, because the mean of its divisors is an integer number (2006541228).

Almost surely, 2^12012130617 is an apocalyptic number.

It is an amenable number.

12012130617 is a deficient number, since it is larger than the sum of its proper divisors (4040199207).

12012130617 is an equidigital number, since it uses as much as digits as its factorization.

12012130617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038919.

The product of its (nonzero) digits is 504, while the sum is 24.

Adding to 12012130617 its reverse (71603121021), we get a palindrome (83615251638).

The spelling of 12012130617 in words is "twelve billion, twelve million, one hundred thirty thousand, six hundred seventeen".