12235603306 has 4 divisors (see below), whose sum is σ = 18353404962. Its totient is φ = 6117801652.

The previous prime is 12235603283. The next prime is 12235603343. The reversal of 12235603306 is 60330653221.

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., 10762195081 + 1473408225 = 103741^2 + 38385^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058900825 + ... + 3058900828.

Almost surely, 2^12235603306 is an apocalyptic number.

12235603306 is a deficient number, since it is larger than the sum of its proper divisors (6117801656).

12235603306 is an equidigital number, since it uses as much as digits as its factorization.

12235603306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117801655.

The product of its (nonzero) digits is 19440, while the sum is 31.

The spelling of 12235603306 in words is "twelve billion, two hundred thirty-five million, six hundred three thousand, three hundred six".