12041002121 has 2 divisors, whose sum is σ = 12041002122. Its totient is φ = 12041002120.

The previous prime is 12041002091. The next prime is 12041002153. The reversal of 12041002121 is 12120014021.

It is a happy number.

12041002121 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., 9694568521 + 2346433600 = 98461^2 + 48440^2 .

It is a cyclic number.

It is not a de Polignac number, because 12041002121 - 2¹⁰ = 12041001097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12041002096 and 12041002105.

It is not a weakly prime, because it can be changed into another prime (12041002321) 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, 6020501060 + 6020501061.

It is an arithmetic number, because the mean of its divisors is an integer number (6020501061).

Almost surely, 2^12041002121 is an apocalyptic number.

It is an amenable number.

12041002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12041002121 is an equidigital number, since it uses as much as digits as its factorization.

12041002121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12041002121 its reverse (12120014021), we get a palindrome (24161016142).

The spelling of 12041002121 in words is "twelve billion, forty-one million, two thousand, one hundred twenty-one".