121301212003001 has 2 divisors, whose sum is σ = 121301212003002. Its totient is φ = 121301212003000.

The previous prime is 121301212002983. The next prime is 121301212003093. The reversal of 121301212003001 is 100300212103121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92259405990976 + 29041806012025 = 9605176^2 + 5389045^2 .

It is an emirp because it is prime and its reverse (100300212103121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121301212003001 is a prime.

It is not a weakly prime, because it can be changed into another prime (121301212003501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650606001500 + 60650606001501.

It is an arithmetic number, because the mean of its divisors is an integer number (60650606001501).

Almost surely, 2^{121301212003001} is an apocalyptic number.

It is an amenable number.

121301212003001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301212003001 is an equidigital number, since it uses as much as digits as its factorization.

121301212003001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121301212003001 its reverse (100300212103121), we get a palindrome (221601424106122).

The spelling of 121301212003001 in words is "one hundred twenty-one trillion, three hundred one billion, two hundred twelve million, three thousand, one".