12021441001 has 2 divisors, whose sum is σ = 12021441002. Its totient is φ = 12021441000.

The previous prime is 12021440953. The next prime is 12021441011. The reversal of 12021441001 is 10014412021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11390225625 + 631215376 = 106725^2 + 25124^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021441001 - 2¹⁵ = 12021408233 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021441011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010720500 + 6010720501.

It is an arithmetic number, because the mean of its divisors is an integer number (6010720501).

Almost surely, 2^12021441001 is an apocalyptic number.

It is an amenable number.

12021441001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021441001 is an equidigital number, since it uses as much as digits as its factorization.

12021441001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021441001 its reverse (10014412021), we get a palindrome (22035853022).

The spelling of 12021441001 in words is "twelve billion, twenty-one million, four hundred forty-one thousand, one".