212768351 has 2 divisors, whose sum is σ = 212768352. Its totient is φ = 212768350.

The previous prime is 212768329. The next prime is 212768357. The reversal of 212768351 is 153867212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212768351 - 2¹⁴ = 212751967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212768357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106384175 + 106384176.

It is an arithmetic number, because the mean of its divisors is an integer number (106384176).

Almost surely, 2^212768351 is an apocalyptic number.

212768351 is a deficient number, since it is larger than the sum of its proper divisors (1).

212768351 is an equidigital number, since it uses as much as digits as its factorization.

212768351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 212768351 is about 14586.5811964284. The cubic root of 212768351 is about 596.9926843450.

The spelling of 212768351 in words is "two hundred twelve million, seven hundred sixty-eight thousand, three hundred fifty-one".