12010210112009 has 2 divisors, whose sum is σ = 12010210112010. Its totient is φ = 12010210112008.

The previous prime is 12010210112003. The next prime is 12010210112011. The reversal of 12010210112009 is 90021101201021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11719530624400 + 290679487609 = 3423380^2 + 539147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010210112009 is a prime.

Together with 12010210112011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12010210112003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005105056004 + 6005105056005.

It is an arithmetic number, because the mean of its divisors is an integer number (6005105056005).

Almost surely, 2^{12010210112009} is an apocalyptic number.

It is an amenable number.

12010210112009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010210112009 is an equidigital number, since it uses as much as digits as its factorization.

12010210112009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12010210112009 in words is "twelve trillion, ten billion, two hundred ten million, one hundred twelve thousand, nine".