213123014432201 has 2 divisors, whose sum is σ = 213123014432202. Its totient is φ = 213123014432200.

The previous prime is 213123014432179. The next prime is 213123014432257. The reversal of 213123014432201 is 102234410321312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212760176862601 + 362837569600 = 14586301^2 + 602360^2 .

It is a cyclic number.

It is not a de Polignac number, because 213123014432201 - 2⁶ = 213123014432137 is a prime.

It is not a weakly prime, because it can be changed into another prime (213123014432281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106561507216100 + 106561507216101.

It is an arithmetic number, because the mean of its divisors is an integer number (106561507216101).

Almost surely, 2^{213123014432201} is an apocalyptic number.

It is an amenable number.

213123014432201 is a deficient number, since it is larger than the sum of its proper divisors (1).

213123014432201 is an equidigital number, since it uses as much as digits as its factorization.

213123014432201 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 29.

Adding to 213123014432201 its reverse (102234410321312), we get a palindrome (315357424753513).

The spelling of 213123014432201 in words is "two hundred thirteen trillion, one hundred twenty-three billion, fourteen million, four hundred thirty-two thousand, two hundred one".