121210000201 has 2 divisors, whose sum is σ = 121210000202. Its totient is φ = 121210000200.

The previous prime is 121210000151. The next prime is 121210000231. The reversal of 121210000201 is 102000012121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101665960201 + 19544040000 = 318851^2 + 139800^2 .

It is a cyclic number.

It is not a de Polignac number, because 121210000201 - 2¹⁷ = 121209869129 is a prime.

It is not a weakly prime, because it can be changed into another prime (121210000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605000100 + 60605000101.

It is an arithmetic number, because the mean of its divisors is an integer number (60605000101).

Almost surely, 2^121210000201 is an apocalyptic number.

It is an amenable number.

121210000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210000201 is an equidigital number, since it uses as much as digits as its factorization.

121210000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121210000201 its reverse (102000012121), we get a palindrome (223210012322).

The spelling of 121210000201 in words is "one hundred twenty-one billion, two hundred ten million, two hundred one", and thus it is an aban number.