12203001321 has 16 divisors (see below), whose sum is σ = 19236259200. Its totient is φ = 6732690048.

The previous prime is 12203001299. The next prime is 12203001341. The reversal of 12203001321 is 12310030221.

It is not a de Polignac number, because 12203001321 - 2¹⁰ = 12203000297 is a prime.

It is a super-3 number, since 3×12203001321³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12203001321.

It is not an unprimeable number, because it can be changed into a prime (12203001341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10018276 + ... + 10019493.

It is an arithmetic number, because the mean of its divisors is an integer number (1202266200).

Almost surely, 2^12203001321 is an apocalyptic number.

It is an amenable number.

12203001321 is a deficient number, since it is larger than the sum of its proper divisors (7033257879).

12203001321 is a wasteful number, since it uses less digits than its factorization.

12203001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20037808.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12203001321 its reverse (12310030221), we get a palindrome (24513031542).

The spelling of 12203001321 in words is "twelve billion, two hundred three million, one thousand, three hundred twenty-one".