12103020323321 has 8 divisors (see below), whose sum is σ = 12629362553280. Its totient is φ = 11576688422992.

The previous prime is 12103020323311. The next prime is 12103020323353. The reversal of 12103020323321 is 12332302030121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12103020323321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103020323311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138890 + ... + 4921923.

It is an arithmetic number, because the mean of its divisors is an integer number (1578670319160).

Almost surely, 2^{12103020323321} is an apocalyptic number.

It is an amenable number.

12103020323321 is a deficient number, since it is larger than the sum of its proper divisors (526342229959).

12103020323321 is a wasteful number, since it uses less digits than its factorization.

12103020323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164815.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12103020323321 its reverse (12332302030121), we get a palindrome (24435322353442).

The spelling of 12103020323321 in words is "twelve trillion, one hundred three billion, twenty million, three hundred twenty-three thousand, three hundred twenty-one".