212003233 has 12 divisors (see below), whose sum is σ = 233906940. Its totient is φ = 191994816.

The previous prime is 212003219. The next prime is 212003261. The reversal of 212003233 is 332300212.

It can be written as a sum of positive squares in 6 ways, for example, as 25735329 + 186267904 = 5073^2 + 13648^2 .

It is not a de Polignac number, because 212003233 - 2¹³ = 211995041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212001233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2878 + ... + 20791.

It is an arithmetic number, because the mean of its divisors is an integer number (19492245).

Almost surely, 2^212003233 is an apocalyptic number.

It is an amenable number.

212003233 is a deficient number, since it is larger than the sum of its proper divisors (21903707).

212003233 is a wasteful number, since it uses less digits than its factorization.

212003233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23748 (or 23735 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 212003233 is about 14560.3307998136. The cubic root of 212003233 is about 596.2762268144.

Adding to 212003233 its reverse (332300212), we get a palindrome (544303445).

The spelling of 212003233 in words is "two hundred twelve million, three thousand, two hundred thirty-three".