12010452221 has 2 divisors, whose sum is σ = 12010452222. Its totient is φ = 12010452220.

The previous prime is 12010452143. The next prime is 12010452287. The reversal of 12010452221 is 12225401021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8170171321 + 3840280900 = 90389^2 + 61970^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010452221 - 2¹⁰ = 12010451197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010452193 and 12010452202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010452721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005226110 + 6005226111.

It is an arithmetic number, because the mean of its divisors is an integer number (6005226111).

Almost surely, 2^12010452221 is an apocalyptic number.

It is an amenable number.

12010452221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010452221 is an equidigital number, since it uses as much as digits as its factorization.

12010452221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 12010452221 its reverse (12225401021), we get a palindrome (24235853242).

The spelling of 12010452221 in words is "twelve billion, ten million, four hundred fifty-two thousand, two hundred twenty-one".