212424151 has 2 divisors, whose sum is σ = 212424152. Its totient is φ = 212424150.

The previous prime is 212424097. The next prime is 212424169. The reversal of 212424151 is 151424212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212424151 - 2⁹ = 212423639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212424551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106212075 + 106212076.

It is an arithmetic number, because the mean of its divisors is an integer number (106212076).

Almost surely, 2^212424151 is an apocalyptic number.

212424151 is a deficient number, since it is larger than the sum of its proper divisors (1).

212424151 is an equidigital number, since it uses as much as digits as its factorization.

212424151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640, while the sum is 22.

The square root of 212424151 is about 14574.7779056835. Note that the first 3 decimals coincide. The cubic root of 212424151 is about 596.6705879015.

Adding to 212424151 its reverse (151424212), we get a palindrome (363848363).

The spelling of 212424151 in words is "two hundred twelve million, four hundred twenty-four thousand, one hundred fifty-one".