212838371 has 2 divisors, whose sum is σ = 212838372. Its totient is φ = 212838370.

The previous prime is 212838299. The next prime is 212838377. The reversal of 212838371 is 173838212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212838371 - 2¹⁸ = 212576227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212838377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106419185 + 106419186.

It is an arithmetic number, because the mean of its divisors is an integer number (106419186).

Almost surely, 2^212838371 is an apocalyptic number.

212838371 is a deficient number, since it is larger than the sum of its proper divisors (1).

212838371 is an equidigital number, since it uses as much as digits as its factorization.

212838371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 212838371 is about 14588.9811501695. The cubic root of 212838371 is about 597.0581653292.

The spelling of 212838371 in words is "two hundred twelve million, eight hundred thirty-eight thousand, three hundred seventy-one".