12010130021 has 2 divisors, whose sum is σ = 12010130022. Its totient is φ = 12010130020.

The previous prime is 12010130003. The next prime is 12010130051. The reversal of 12010130021 is 12003101021.

12010130021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11276316100 + 733813921 = 106190^2 + 27089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010130021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010129984 and 12010130011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010130051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005065010 + 6005065011.

It is an arithmetic number, because the mean of its divisors is an integer number (6005065011).

Almost surely, 2^12010130021 is an apocalyptic number.

It is an amenable number.

12010130021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010130021 is an equidigital number, since it uses as much as digits as its factorization.

12010130021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12010130021 its reverse (12003101021), we get a palindrome (24013231042).

The spelling of 12010130021 in words is "twelve billion, ten million, one hundred thirty thousand, twenty-one".