12012130011 has 64 divisors (see below), whose sum is σ = 20432977920. Its totient is φ = 6110691840.

The previous prime is 12012130007. The next prime is 12012130043. The reversal of 12012130011 is 11003121021.

It is not a de Polignac number, because 12012130011 - 2² = 12012130007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012130051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6721060 + ... + 6722846.

It is an arithmetic number, because the mean of its divisors is an integer number (319265280).

Almost surely, 2^12012130011 is an apocalyptic number.

12012130011 is a deficient number, since it is larger than the sum of its proper divisors (8420847909).

12012130011 is a wasteful number, since it uses less digits than its factorization.

12012130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12012130011 its reverse (11003121021), we get a palindrome (23015251032).

The spelling of 12012130011 in words is "twelve billion, twelve million, one hundred thirty thousand, eleven".