10010001212009 has 2 divisors, whose sum is σ = 10010001212010. Its totient is φ = 10010001212008.

The previous prime is 10010001211981. The next prime is 10010001212039. The reversal of 10010001212009 is 90021210001001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6927571392784 + 3082429819225 = 2632028^2 + 1755685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10010001212009 is a prime.

It is not a weakly prime, because it can be changed into another prime (10010001212039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005000606004 + 5005000606005.

It is an arithmetic number, because the mean of its divisors is an integer number (5005000606005).

Almost surely, 2^{10010001212009} is an apocalyptic number.

It is an amenable number.

10010001212009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010001212009 is an equidigital number, since it uses as much as digits as its factorization.

10010001212009 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10010001212009 in words is "ten trillion, ten billion, one million, two hundred twelve thousand, nine".