12203000391 has 4 divisors (see below), whose sum is σ = 16270667192. Its totient is φ = 8135333592.

The previous prime is 12203000353. The next prime is 12203000419. The reversal of 12203000391 is 19300030221.

It is a happy number.

12203000391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-12203000391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203007391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033833396 + ... + 2033833401.

It is an arithmetic number, because the mean of its divisors is an integer number (4067666798).

Almost surely, 2^12203000391 is an apocalyptic number.

12203000391 is a deficient number, since it is larger than the sum of its proper divisors (4067666801).

12203000391 is an equidigital number, since it uses as much as digits as its factorization.

12203000391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067666800.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 12203000391 in words is "twelve billion, two hundred three million, three hundred ninety-one", and thus it is an aban number.