12031033005 has 16 divisors (see below), whose sum is σ = 21388503360. Its totient is φ = 6416550864.

The previous prime is 12031032973. The next prime is 12031033031. The reversal of 12031033005 is 50033013021.

12031033005 is a `hidden beast` number, since 1 + 20 + 310 + 330 + 0 + 5 = 666.

It is not a de Polignac number, because 12031033005 - 2⁵ = 12031032973 is a prime.

It is a Curzon number.

It is a congruent 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, 44559247 + ... + 44559516.

It is an arithmetic number, because the mean of its divisors is an integer number (1336781460).

Almost surely, 2^12031033005 is an apocalyptic number.

12031033005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12031033005 is a deficient number, since it is larger than the sum of its proper divisors (9357470355).

12031033005 is an equidigital number, since it uses as much as digits as its factorization.

12031033005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89118777 (or 89118771 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 12031033005 its reverse (50033013021), we get a palindrome (62064046026).

The spelling of 12031033005 in words is "twelve billion, thirty-one million, thirty-three thousand, five".