3123222140009 has 2 divisors, whose sum is σ = 3123222140010. Its totient is φ = 3123222140008.

The previous prime is 3123222139991. The next prime is 3123222140033. The reversal of 3123222140009 is 9000412223213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3054116245609 + 69105894400 = 1747603^2 + 262880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123222140009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3123222140069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561611070004 + 1561611070005.

It is an arithmetic number, because the mean of its divisors is an integer number (1561611070005).

Almost surely, 2^{3123222140009} is an apocalyptic number.

It is an amenable number.

3123222140009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123222140009 is an equidigital number, since it uses as much as digits as its factorization.

3123222140009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 3123222140009 in words is "three trillion, one hundred twenty-three billion, two hundred twenty-two million, one hundred forty thousand, nine".