212100020333 has 2 divisors, whose sum is σ = 212100020334. Its totient is φ = 212100020332.

The previous prime is 212100020329. The next prime is 212100020339. The reversal of 212100020333 is 333020001212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164306190409 + 47793829924 = 405347^2 + 218618^2 .

It is a cyclic number.

It is not a de Polignac number, because 212100020333 - 2² = 212100020329 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212100020339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050010166 + 106050010167.

It is an arithmetic number, because the mean of its divisors is an integer number (106050010167).

Almost surely, 2^212100020333 is an apocalyptic number.

It is an amenable number.

212100020333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100020333 is an equidigital number, since it uses as much as digits as its factorization.

212100020333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212100020333 its reverse (333020001212), we get a palindrome (545120021545).

The spelling of 212100020333 in words is "two hundred twelve billion, one hundred million, twenty thousand, three hundred thirty-three".