12230001012121 has 2 divisors, whose sum is σ = 12230001012122. Its totient is φ = 12230001012120.

The previous prime is 12230001012109. The next prime is 12230001012169. The reversal of 12230001012121 is 12121010003221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9592183265625 + 2637817746496 = 3097125^2 + 1624136^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230001012121 - 2¹³ = 12230001003929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12230001012095 and 12230001012104.

It is not a weakly prime, because it can be changed into another prime (12230001012221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115000506060 + 6115000506061.

It is an arithmetic number, because the mean of its divisors is an integer number (6115000506061).

Almost surely, 2^{12230001012121} is an apocalyptic number.

It is an amenable number.

12230001012121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230001012121 is an equidigital number, since it uses as much as digits as its factorization.

12230001012121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12230001012121 its reverse (12121010003221), we get a palindrome (24351011015342).

The spelling of 12230001012121 in words is "twelve trillion, two hundred thirty billion, one million, twelve thousand, one hundred twenty-one".