12090245306 has 4 divisors (see below), whose sum is σ = 18135367962. Its totient is φ = 6045122652.

The previous prime is 12090245291. The next prime is 12090245333. The reversal of 12090245306 is 60354209021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11626230625 + 464014681 = 107825^2 + 21541^2 .

It is a super-3 number, since 3×12090245306³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3022561325 + ... + 3022561328.

Almost surely, 2^12090245306 is an apocalyptic number.

12090245306 is a deficient number, since it is larger than the sum of its proper divisors (6045122656).

12090245306 is an equidigital number, since it uses as much as digits as its factorization.

12090245306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045122655.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 12090245306 in words is "twelve billion, ninety million, two hundred forty-five thousand, three hundred six".