120121202001247 has 2 divisors, whose sum is σ = 120121202001248. Its totient is φ = 120121202001246.

The previous prime is 120121202001191. The next prime is 120121202001263. The reversal of 120121202001247 is 742100202121021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120121202001247 - 2¹¹ = 120121201999199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121202005247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060601000623 + 60060601000624.

It is an arithmetic number, because the mean of its divisors is an integer number (60060601000624).

Almost surely, 2^{120121202001247} is an apocalyptic number.

120121202001247 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121202001247 is an equidigital number, since it uses as much as digits as its factorization.

120121202001247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 120121202001247 its reverse (742100202121021), we get a palindrome (862221404122268).

The spelling of 120121202001247 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred two million, one thousand, two hundred forty-seven".