212420410333 has 2 divisors, whose sum is σ = 212420410334. Its totient is φ = 212420410332.

The previous prime is 212420410277. The next prime is 212420410351. The reversal of 212420410333 is 333014024212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171050070724 + 41370339609 = 413582^2 + 203397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212420410333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212420410298 and 212420410307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212420410733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106210205166 + 106210205167.

It is an arithmetic number, because the mean of its divisors is an integer number (106210205167).

Almost surely, 2^212420410333 is an apocalyptic number.

It is an amenable number.

212420410333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212420410333 is an equidigital number, since it uses as much as digits as its factorization.

212420410333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212420410333 its reverse (333014024212), we get a palindrome (545434434545).

The spelling of 212420410333 in words is "two hundred twelve billion, four hundred twenty million, four hundred ten thousand, three hundred thirty-three".