1002120060209 has 2 divisors, whose sum is σ = 1002120060210. Its totient is φ = 1002120060208.

The previous prime is 1002120060199. The next prime is 1002120060217. The reversal of 1002120060209 is 9020600212001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 949094866225 + 53025193984 = 974215^2 + 230272^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002120060209 - 2²⁴ = 1002103282993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1002120060259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501060030104 + 501060030105.

It is an arithmetic number, because the mean of its divisors is an integer number (501060030105).

Almost surely, 2^{1002120060209} is an apocalyptic number.

It is an amenable number.

1002120060209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002120060209 is an equidigital number, since it uses as much as digits as its factorization.

1002120060209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1002120060209 in words is "one trillion, two billion, one hundred twenty million, sixty thousand, two hundred nine".