20232201213281 has 2 divisors, whose sum is σ = 20232201213282. Its totient is φ = 20232201213280.

The previous prime is 20232201213173. The next prime is 20232201213313. The reversal of 20232201213281 is 18231210223202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17334066096400 + 2898135116881 = 4163420^2 + 1702391^2 .

It is a cyclic number.

It is not a de Polignac number, because 20232201213281 - 2¹⁰ = 20232201212257 is a prime.

It is a super-2 number, since 2×20232201213281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20232201213881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116100606640 + 10116100606641.

It is an arithmetic number, because the mean of its divisors is an integer number (10116100606641).

Almost surely, 2^{20232201213281} is an apocalyptic number.

It is an amenable number.

20232201213281 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232201213281 is an equidigital number, since it uses as much as digits as its factorization.

20232201213281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 20232201213281 its reverse (18231210223202), we get a palindrome (38463411436483).

The spelling of 20232201213281 in words is "twenty trillion, two hundred thirty-two billion, two hundred one million, two hundred thirteen thousand, two hundred eighty-one".