212310203353 has 2 divisors, whose sum is σ = 212310203354. Its totient is φ = 212310203352.

The previous prime is 212310203299. The next prime is 212310203359. The reversal of 212310203353 is 353302013212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171970284249 + 40339919104 = 414693^2 + 200848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212310203353 is a prime.

It is not a weakly prime, because it can be changed into another prime (212310203359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106155101676 + 106155101677.

It is an arithmetic number, because the mean of its divisors is an integer number (106155101677).

Almost surely, 2^212310203353 is an apocalyptic number.

It is an amenable number.

212310203353 is a deficient number, since it is larger than the sum of its proper divisors (1).

212310203353 is an equidigital number, since it uses as much as digits as its factorization.

212310203353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 212310203353 its reverse (353302013212), we get a palindrome (565612216565).

The spelling of 212310203353 in words is "two hundred twelve billion, three hundred ten million, two hundred three thousand, three hundred fifty-three".