212412233 has 12 divisors (see below), whose sum is σ = 234197040. Its totient is φ = 192507480.

The previous prime is 212412203. The next prime is 212412241. The reversal of 212412233 is 332214212.

It is not a de Polignac number, because 212412233 - 2¹⁶ = 212346697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212412203) 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, 39458 + ... + 44516.

It is an arithmetic number, because the mean of its divisors is an integer number (19516420).

Almost surely, 2^212412233 is an apocalyptic number.

It is an amenable number.

212412233 is a deficient number, since it is larger than the sum of its proper divisors (21784807).

212412233 is a wasteful number, since it uses less digits than its factorization.

212412233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428 (or 5417 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 212412233 is about 14574.3690429466. The cubic root of 212412233 is about 596.6594290117.

Adding to 212412233 its reverse (332214212), we get a palindrome (544626445).

The spelling of 212412233 in words is "two hundred twelve million, four hundred twelve thousand, two hundred thirty-three".