12233031301021 has 2 divisors, whose sum is σ = 12233031301022. Its totient is φ = 12233031301020.

The previous prime is 12233031301003. The next prime is 12233031301087. The reversal of 12233031301021 is 12010313033221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8847471780900 + 3385559520121 = 2974470^2 + 1839989^2 .

It is an emirp because it is prime and its reverse (12010313033221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12233031301021 - 2¹¹ = 12233031298973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12233031300983 and 12233031301001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12233031701021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116515650510 + 6116515650511.

It is an arithmetic number, because the mean of its divisors is an integer number (6116515650511).

Almost surely, 2^{12233031301021} is an apocalyptic number.

It is an amenable number.

12233031301021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12233031301021 is an equidigital number, since it uses as much as digits as its factorization.

12233031301021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12233031301021 its reverse (12010313033221), we get a palindrome (24243344334242).

The spelling of 12233031301021 in words is "twelve trillion, two hundred thirty-three billion, thirty-one million, three hundred one thousand, twenty-one".