212103041 has 2 divisors, whose sum is σ = 212103042. Its totient is φ = 212103040.

The previous prime is 212103037. The next prime is 212103043. The reversal of 212103041 is 140301212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172160641 + 39942400 = 13121^2 + 6320^2 .

It is a cyclic number.

It is not a de Polignac number, because 212103041 - 2² = 212103037 is a prime.

Together with 212103043, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212103043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051520 + 106051521.

It is an arithmetic number, because the mean of its divisors is an integer number (106051521).

Almost surely, 2^212103041 is an apocalyptic number.

It is an amenable number.

212103041 is a deficient number, since it is larger than the sum of its proper divisors (1).

212103041 is an equidigital number, since it uses as much as digits as its factorization.

212103041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212103041 is about 14563.7577911746. The cubic root of 212103041 is about 596.3697848228.

Adding to 212103041 its reverse (140301212), we get a palindrome (352404253).

The spelling of 212103041 in words is "two hundred twelve million, one hundred three thousand, forty-one".