212303013313 has 2 divisors, whose sum is σ = 212303013314. Its totient is φ = 212303013312.

The previous prime is 212303013301. The next prime is 212303013317. The reversal of 212303013313 is 313310303212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156255765264 + 56047248049 = 395292^2 + 236743^2 .

It is a cyclic number.

It is not a de Polignac number, because 212303013313 - 2⁵ = 212303013281 is a prime.

It is not a weakly prime, because it can be changed into another prime (212303013317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151506656 + 106151506657.

It is an arithmetic number, because the mean of its divisors is an integer number (106151506657).

Almost surely, 2^212303013313 is an apocalyptic number.

It is an amenable number.

212303013313 is a deficient number, since it is larger than the sum of its proper divisors (1).

212303013313 is an equidigital number, since it uses as much as digits as its factorization.

212303013313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 212303013313 its reverse (313310303212), we get a palindrome (525613316525).

The spelling of 212303013313 in words is "two hundred twelve billion, three hundred three million, thirteen thousand, three hundred thirteen".