12103333021 has 8 divisors (see below), whose sum is σ = 13037915520. Its totient is φ = 11169258672.

The previous prime is 12103332979. The next prime is 12103333043. The reversal of 12103333021 is 12033330121.

12103333021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12103333021 - 2⁷ = 12103332893 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 12103333021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103330021) 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 7 ways as a sum of consecutive naturals, for example, 76825 + ... + 173518.

It is an arithmetic number, because the mean of its divisors is an integer number (1629739440).

Almost surely, 2^12103333021 is an apocalyptic number.

It is an amenable number.

12103333021 is a deficient number, since it is larger than the sum of its proper divisors (934582499).

12103333021 is a wasteful number, since it uses less digits than its factorization.

12103333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254075.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12103333021 its reverse (12033330121), we get a palindrome (24136663142).

The spelling of 12103333021 in words is "twelve billion, one hundred three million, three hundred thirty-three thousand, twenty-one".