12021223320103 has 4 divisors (see below), whose sum is σ = 12314423888928. Its totient is φ = 11728022751280.

The previous prime is 12021223320097. The next prime is 12021223320193. The reversal of 12021223320103 is 30102332212021.

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 12021223320103 - 2²⁵ = 12021189765671 is a prime.

It is a super-2 number, since 2×12021223320103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021223320193) 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, 146600284351 + ... + 146600284432.

It is an arithmetic number, because the mean of its divisors is an integer number (3078605972232).

Almost surely, 2^{12021223320103} is an apocalyptic number.

12021223320103 is a deficient number, since it is larger than the sum of its proper divisors (293200568825).

12021223320103 is an equidigital number, since it uses as much as digits as its factorization.

12021223320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293200568824.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12021223320103 its reverse (30102332212021), we get a palindrome (42123555532124).

The spelling of 12021223320103 in words is "twelve trillion, twenty-one billion, two hundred twenty-three million, three hundred twenty thousand, one hundred three".