12026222009 has 2 divisors, whose sum is σ = 12026222010. Its totient is φ = 12026222008.

The previous prime is 12026221979. The next prime is 12026222063. The reversal of 12026222009 is 90022262021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8956729600 + 3069492409 = 94640^2 + 55403^2 .

It is a cyclic number.

It is not a de Polignac number, because 12026222009 - 2¹² = 12026217913 is a prime.

It is not a weakly prime, because it can be changed into another prime (12026222609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013111004 + 6013111005.

It is an arithmetic number, because the mean of its divisors is an integer number (6013111005).

Almost surely, 2^12026222009 is an apocalyptic number.

It is an amenable number.

12026222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026222009 is an equidigital number, since it uses as much as digits as its factorization.

12026222009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 12026222009 in words is "twelve billion, twenty-six million, two hundred twenty-two thousand, nine".