121210212301 has 2 divisors, whose sum is σ = 121210212302. Its totient is φ = 121210212300.

The previous prime is 121210212247. The next prime is 121210212307. The reversal of 121210212301 is 103212012121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118642358025 + 2567854276 = 344445^2 + 50674^2 .

It is a cyclic number.

It is not a de Polignac number, because 121210212301 - 2¹⁵ = 121210179533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210212307) 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, 60605106150 + 60605106151.

It is an arithmetic number, because the mean of its divisors is an integer number (60605106151).

Almost surely, 2^121210212301 is an apocalyptic number.

It is an amenable number.

121210212301 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210212301 is an equidigital number, since it uses as much as digits as its factorization.

121210212301 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 121210212301 its reverse (103212012121), we get a palindrome (224422224422).

The spelling of 121210212301 in words is "one hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, three hundred one".