213224123340001 has 2 divisors, whose sum is σ = 213224123340002. Its totient is φ = 213224123340000.

The previous prime is 213224123339999. The next prime is 213224123340043. The reversal of 213224123340001 is 100043321422312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130599641120400 + 82624482219601 = 11428020^2 + 9089801^2 .

It is a cyclic number.

It is not a de Polignac number, because 213224123340001 - 2¹ = 213224123339999 is a prime.

It is a super-2 number, since 2×213224123340001² (a number of 29 digits) contains 22 as substring.

Together with 213224123339999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (213224123320001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106612061670000 + 106612061670001.

It is an arithmetic number, because the mean of its divisors is an integer number (106612061670001).

Almost surely, 2^{213224123340001} is an apocalyptic number.

It is an amenable number.

213224123340001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213224123340001 is an equidigital number, since it uses as much as digits as its factorization.

213224123340001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 213224123340001 its reverse (100043321422312), we get a palindrome (313267444762313).

The spelling of 213224123340001 in words is "two hundred thirteen trillion, two hundred twenty-four billion, one hundred twenty-three million, three hundred forty thousand, one".