121222001201237 has 2 divisors, whose sum is σ = 121222001201238. Its totient is φ = 121222001201236.

The previous prime is 121222001201177. The next prime is 121222001201243. The reversal of 121222001201237 is 732102100222121.

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., 101603355862801 + 19618645338436 = 10079849^2 + 4429294^2 .

It is a cyclic number.

It is not a de Polignac number, because 121222001201237 - 2³² = 121217706233941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222001201267) 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, 60611000600618 + 60611000600619.

It is an arithmetic number, because the mean of its divisors is an integer number (60611000600619).

Almost surely, 2^{121222001201237} is an apocalyptic number.

It is an amenable number.

121222001201237 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222001201237 is an equidigital number, since it uses as much as digits as its factorization.

121222001201237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 121222001201237 its reverse (732102100222121), we get a palindrome (853324101423358).

The spelling of 121222001201237 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one million, two hundred one thousand, two hundred thirty-seven".