212234371 has 2 divisors, whose sum is σ = 212234372. Its totient is φ = 212234370.

The previous prime is 212234357. The next prime is 212234377. The reversal of 212234371 is 173432212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212234371 - 2²⁷ = 78016643 is a prime.

It is equal to p_11718016 and since 212234371 and 11718016 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (212234377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106117185 + 106117186.

It is an arithmetic number, because the mean of its divisors is an integer number (106117186).

Almost surely, 2^212234371 is an apocalyptic number.

212234371 is a deficient number, since it is larger than the sum of its proper divisors (1).

212234371 is an equidigital number, since it uses as much as digits as its factorization.

212234371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 212234371 is about 14568.2658885675. The cubic root of 212234371 is about 596.4928462117.

Adding to 212234371 its reverse (173432212), we get a palindrome (385666583).

The spelling of 212234371 in words is "two hundred twelve million, two hundred thirty-four thousand, three hundred seventy-one".