212312041 has 2 divisors, whose sum is σ = 212312042. Its totient is φ = 212312040.

The previous prime is 212312039. The next prime is 212312047. The reversal of 212312041 is 140213212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210366016 + 1946025 = 14504^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 212312041 - 2¹ = 212312039 is a prime.

Together with 212312039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212312047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106156020 + 106156021.

It is an arithmetic number, because the mean of its divisors is an integer number (106156021).

Almost surely, 2^212312041 is an apocalyptic number.

It is an amenable number.

212312041 is a deficient number, since it is larger than the sum of its proper divisors (1).

212312041 is an equidigital number, since it uses as much as digits as its factorization.

212312041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212312041 is about 14570.9313703689. The cubic root of 212312041 is about 596.5656021758.

Adding to 212312041 its reverse (140213212), we get a palindrome (352525253).

The spelling of 212312041 in words is "two hundred twelve million, three hundred twelve thousand, forty-one".