12303033665 has 16 divisors (see below), whose sum is σ = 15902116608. Its totient is φ = 9083710656.

The previous prime is 12303033649. The next prime is 12303033733. The reversal of 12303033665 is 56633030321.

It is a cyclic number.

It is not a de Polignac number, because 12303033665 - 2⁴ = 12303033649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455324 + ... + 481586.

It is an arithmetic number, because the mean of its divisors is an integer number (993882288).

Almost surely, 2^12303033665 is an apocalyptic number.

It is an amenable number.

12303033665 is a deficient number, since it is larger than the sum of its proper divisors (3599082943).

12303033665 is a wasteful number, since it uses less digits than its factorization.

12303033665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33488.

The product of its (nonzero) digits is 29160, while the sum is 32.

Adding to 12303033665 its reverse (56633030321), we get a palindrome (68936063986).

The spelling of 12303033665 in words is "twelve billion, three hundred three million, thirty-three thousand, six hundred sixty-five".