212334305401 has 2 divisors, whose sum is σ = 212334305402. Its totient is φ = 212334305400.

The previous prime is 212334305387. The next prime is 212334305467. The reversal of 212334305401 is 104503433212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183118949776 + 29215355625 = 427924^2 + 170925^2 .

It is a cyclic number.

It is not a de Polignac number, because 212334305401 - 2²³ = 212325916793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212334305401.

It is not a weakly prime, because it can be changed into another prime (212334300401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106167152700 + 106167152701.

It is an arithmetic number, because the mean of its divisors is an integer number (106167152701).

Almost surely, 2^212334305401 is an apocalyptic number.

It is an amenable number.

212334305401 is a deficient number, since it is larger than the sum of its proper divisors (1).

212334305401 is an equidigital number, since it uses as much as digits as its factorization.

212334305401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 212334305401 its reverse (104503433212), we get a palindrome (316837738613).

The spelling of 212334305401 in words is "two hundred twelve billion, three hundred thirty-four million, three hundred five thousand, four hundred one".