212033233 has 4 divisors (see below), whose sum is σ = 214014960. Its totient is φ = 210051508.

The previous prime is 212033221. The next prime is 212033243. The reversal of 212033233 is 332330212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212033233 - 2²¹ = 209936081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212033233.

It is not an unprimeable number, because it can be changed into a prime (212033203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990703 + ... + 990916.

It is an arithmetic number, because the mean of its divisors is an integer number (53503740).

Almost surely, 2^212033233 is an apocalyptic number.

It is an amenable number.

212033233 is a deficient number, since it is larger than the sum of its proper divisors (1981727).

212033233 is a wasteful number, since it uses less digits than its factorization.

212033233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981726.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 212033233 is about 14561.3609597455. The cubic root of 212033233 is about 596.3043512960.

Adding to 212033233 its reverse (332330212), we get a palindrome (544363445).

It can be divided in two parts, 2120 and 33233, that added together give a palindrome (35353).

The spelling of 212033233 in words is "two hundred twelve million, thirty-three thousand, two hundred thirty-three".