213032212417 has 2 divisors, whose sum is σ = 213032212418. Its totient is φ = 213032212416.

The previous prime is 213032212399. The next prime is 213032212439. The reversal of 213032212417 is 714212230312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108847866241 + 104184346176 = 329921^2 + 322776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213032212417 is a prime.

It is not a weakly prime, because it can be changed into another prime (213032212117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106516106208 + 106516106209.

It is an arithmetic number, because the mean of its divisors is an integer number (106516106209).

Almost surely, 2^213032212417 is an apocalyptic number.

It is an amenable number.

213032212417 is a deficient number, since it is larger than the sum of its proper divisors (1).

213032212417 is an equidigital number, since it uses as much as digits as its factorization.

213032212417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 213032212417 its reverse (714212230312), we get a palindrome (927244442729).

The spelling of 213032212417 in words is "two hundred thirteen billion, thirty-two million, two hundred twelve thousand, four hundred seventeen".