12030033311 has 4 divisors (see below), whose sum is σ = 12039589800. Its totient is φ = 12020476824.

The previous prime is 12030033307. The next prime is 12030033343. The reversal of 12030033311 is 11333003021.

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

It is a cyclic number.

It is not a de Polignac number, because 12030033311 - 2² = 12030033307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12030033311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030033511) 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, 4776356 + ... + 4778873.

It is an arithmetic number, because the mean of its divisors is an integer number (3009897450).

Almost surely, 2^12030033311 is an apocalyptic number.

12030033311 is a deficient number, since it is larger than the sum of its proper divisors (9556489).

12030033311 is an equidigital number, since it uses as much as digits as its factorization.

12030033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556488.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 12030033311 its reverse (11333003021), we get a palindrome (23363036332).

The spelling of 12030033311 in words is "twelve billion, thirty million, thirty-three thousand, three hundred eleven".