1301211012089 has 2 divisors, whose sum is σ = 1301211012090. Its totient is φ = 1301211012088.

The previous prime is 1301211012037. The next prime is 1301211012133. The reversal of 1301211012089 is 9802101121031.

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., 961429275625 + 339781736464 = 980525^2 + 582908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301211012089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301211012019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650605506044 + 650605506045.

It is an arithmetic number, because the mean of its divisors is an integer number (650605506045).

Almost surely, 2^{1301211012089} is an apocalyptic number.

It is an amenable number.

1301211012089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301211012089 is an equidigital number, since it uses as much as digits as its factorization.

1301211012089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 1301211012089 in words is "one trillion, three hundred one billion, two hundred eleven million, twelve thousand, eighty-nine".