12010211009 has 2 divisors, whose sum is σ = 12010211010. Its totient is φ = 12010211008.

The previous prime is 12010210987. The next prime is 12010211023. The reversal of 12010211009 is 90011201021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9511710784 + 2498500225 = 97528^2 + 49985^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010211009 - 2¹⁶ = 12010145473 is a prime.

It is not a weakly prime, because it can be changed into another prime (12010211039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005105504 + 6005105505.

It is an arithmetic number, because the mean of its divisors is an integer number (6005105505).

Almost surely, 2^12010211009 is an apocalyptic number.

It is an amenable number.

12010211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010211009 is an equidigital number, since it uses as much as digits as its factorization.

12010211009 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 12010211009 in words is "twelve billion, ten million, two hundred eleven thousand, nine".