1201210121063 has 2 divisors, whose sum is σ = 1201210121064. Its totient is φ = 1201210121062.

The previous prime is 1201210120997. The next prime is 1201210121077. The reversal of 1201210121063 is 3601210121021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3601210121021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201210121063 - 2²² = 1201205926759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201210121863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600605060531 + 600605060532.

It is an arithmetic number, because the mean of its divisors is an integer number (600605060532).

Almost surely, 2^{1201210121063} is an apocalyptic number.

1201210121063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201210121063 is an equidigital number, since it uses as much as digits as its factorization.

1201210121063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1201210121063 its reverse (3601210121021), we get a palindrome (4802420242084).

The spelling of 1201210121063 in words is "one trillion, two hundred one billion, two hundred ten million, one hundred twenty-one thousand, sixty-three".