12022489309 has 4 divisors (see below), whose sum is σ = 12026802780. Its totient is φ = 12018175840.

The previous prime is 12022489307. The next prime is 12022489357. The reversal of 12022489309 is 90398422021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90398422021 = 389 ⋅232386689.

It can be written as a sum of positive squares in 2 ways, for example, as 9721368409 + 2301120900 = 98597^2 + 47970^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022489309 - 2¹ = 12022489307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022489307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2152552 + ... + 2158129.

It is an arithmetic number, because the mean of its divisors is an integer number (3006700695).

Almost surely, 2^12022489309 is an apocalyptic number.

It is an amenable number.

12022489309 is a deficient number, since it is larger than the sum of its proper divisors (4313471).

12022489309 is an equidigital number, since it uses as much as digits as its factorization.

12022489309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313470.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 12022489309 in words is "twelve billion, twenty-two million, four hundred eighty-nine thousand, three hundred nine".