10011201209 has 2 divisors, whose sum is σ = 10011201210. Its totient is φ = 10011201208.

The previous prime is 10011201197. The next prime is 10011201229. The reversal of 10011201209 is 90210211001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5376995584 + 4634205625 = 73328^2 + 68075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011201209 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005600604 + 5005600605.

It is an arithmetic number, because the mean of its divisors is an integer number (5005600605).

Almost surely, 2^10011201209 is an apocalyptic number.

It is an amenable number.

10011201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011201209 is an equidigital number, since it uses as much as digits as its factorization.

10011201209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 10011201209 in words is "ten billion, eleven million, two hundred one thousand, two hundred nine".