212012033 has 2 divisors, whose sum is σ = 212012034. Its totient is φ = 212012032.

The previous prime is 212011993. The next prime is 212012057. The reversal of 212012033 is 330210212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121705024 + 90307009 = 11032^2 + 9503^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012033 - 2¹² = 212007937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212011999 and 212012017.

It is not a weakly prime, because it can be changed into another prime (212002033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006016 + 106006017.

It is an arithmetic number, because the mean of its divisors is an integer number (106006017).

Almost surely, 2^212012033 is an apocalyptic number.

It is an amenable number.

212012033 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012033 is an equidigital number, since it uses as much as digits as its factorization.

212012033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212012033 is about 14560.6329876142. The cubic root of 212012033 is about 596.2844769373.

Adding to 212012033 its reverse (330210212), we get a palindrome (542222245).

The spelling of 212012033 in words is "two hundred twelve million, twelve thousand, thirty-three".