12203213333021 has 4 divisors (see below), whose sum is σ = 12921049411452. Its totient is φ = 11485377254592.

The previous prime is 12203213332943. The next prime is 12203213333033. The reversal of 12203213333021 is 12033331230221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8799594220921 + 3403619112100 = 2966411^2 + 1844890^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203213333021 - 2⁴² = 7805166821917 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 (12203213333041) 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 3 ways as a sum of consecutive naturals, for example, 358918039190 + ... + 358918039223.

It is an arithmetic number, because the mean of its divisors is an integer number (3230262352863).

Almost surely, 2^{12203213333021} is an apocalyptic number.

It is an amenable number.

12203213333021 is a deficient number, since it is larger than the sum of its proper divisors (717836078431).

12203213333021 is an equidigital number, since it uses as much as digits as its factorization.

12203213333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717836078430.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12203213333021 its reverse (12033331230221), we get a palindrome (24236544563242).

The spelling of 12203213333021 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, three hundred thirty-three thousand, twenty-one".