12203321221213 has 4 divisors (see below), whose sum is σ = 12733900404768. Its totient is φ = 11672742037660.

The previous prime is 12203321221207. The next prime is 12203321221219. The reversal of 12203321221213 is 31212212330221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12203321221207) and next prime (12203321221219).

It is a cyclic number.

It is not a de Polignac number, because 12203321221213 - 2²⁹ = 12202784350301 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 (12203321221219) 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 3 ways as a sum of consecutive naturals, for example, 265289591743 + ... + 265289591788.

It is an arithmetic number, because the mean of its divisors is an integer number (3183475101192).

Almost surely, 2^{12203321221213} is an apocalyptic number.

It is an amenable number.

12203321221213 is a deficient number, since it is larger than the sum of its proper divisors (530579183555).

12203321221213 is an equidigital number, since it uses as much as digits as its factorization.

12203321221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530579183554.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12203321221213 its reverse (31212212330221), we get a palindrome (43415533551434).

The spelling of 12203321221213 in words is "twelve trillion, two hundred three billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred thirteen".