2012132009 has 2 divisors, whose sum is σ = 2012132010. Its totient is φ = 2012132008.

The previous prime is 2012131991. The next prime is 2012132021. The reversal of 2012132009 is 9002312102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1990944400 + 21187609 = 44620^2 + 4603^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012132009 - 2¹² = 2012127913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012132029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006066004 + 1006066005.

It is an arithmetic number, because the mean of its divisors is an integer number (1006066005).

Almost surely, 2^2012132009 is an apocalyptic number.

It is an amenable number.

2012132009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012132009 is an equidigital number, since it uses as much as digits as its factorization.

2012132009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2012132009 is about 44856.7944574732. The cubic root of 2012132009 is about 1262.4634782625.

The spelling of 2012132009 in words is "two billion, twelve million, one hundred thirty-two thousand, nine".