1302001201121 has 2 divisors, whose sum is σ = 1302001201122. Its totient is φ = 1302001201120.

The previous prime is 1302001201063. The next prime is 1302001201159. The reversal of 1302001201121 is 1211021002031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 861518112400 + 440483088721 = 928180^2 + 663689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302001201121 - 2¹⁸ = 1302000938977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302001201096 and 1302001201105.

It is not a weakly prime, because it can be changed into another prime (1302061201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651000600560 + 651000600561.

It is an arithmetic number, because the mean of its divisors is an integer number (651000600561).

Almost surely, 2^{1302001201121} is an apocalyptic number.

It is an amenable number.

1302001201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302001201121 is an equidigital number, since it uses as much as digits as its factorization.

1302001201121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1302001201121 its reverse (1211021002031), we get a palindrome (2513022203152).

The spelling of 1302001201121 in words is "one trillion, three hundred two billion, one million, two hundred one thousand, one hundred twenty-one".