2012210002109 has 2 divisors, whose sum is σ = 2012210002110. Its totient is φ = 2012210002108.

The previous prime is 2012210002051. The next prime is 2012210002111. The reversal of 2012210002109 is 9012000122102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1714227211225 + 297982790884 = 1309285^2 + 545878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012210002109 - 2²⁸ = 2011941566653 is a prime.

Together with 2012210002111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012210032109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006105001054 + 1006105001055.

It is an arithmetic number, because the mean of its divisors is an integer number (1006105001055).

Almost surely, 2^{2012210002109} is an apocalyptic number.

It is an amenable number.

2012210002109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012210002109 is an equidigital number, since it uses as much as digits as its factorization.

2012210002109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 2012210002109 in words is "two trillion, twelve billion, two hundred ten million, two thousand, one hundred nine".