212102601317 has 2 divisors, whose sum is σ = 212102601318. Its totient is φ = 212102601316.

The previous prime is 212102601301. The next prime is 212102601349. The reversal of 212102601317 is 713106201212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184967946241 + 27134655076 = 430079^2 + 164726^2 .

It is a cyclic number.

It is not a de Polignac number, because 212102601317 - 2⁴ = 212102601301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102601377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051300658 + 106051300659.

It is an arithmetic number, because the mean of its divisors is an integer number (106051300659).

Almost surely, 2^212102601317 is an apocalyptic number.

It is an amenable number.

212102601317 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102601317 is an equidigital number, since it uses as much as digits as its factorization.

212102601317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 212102601317 its reverse (713106201212), we get a palindrome (925208802529).

The spelling of 212102601317 in words is "two hundred twelve billion, one hundred two million, six hundred one thousand, three hundred seventeen".