212232263 has 8 divisors (see below), whose sum is σ = 216172800. Its totient is φ = 208303288.

The previous prime is 212232227. The next prime is 212232269. The reversal of 212232263 is 362232212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212232263 - 2¹⁶ = 212166727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232269) 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 7 ways as a sum of consecutive naturals, for example, 39920 + ... + 44922.

It is an arithmetic number, because the mean of its divisors is an integer number (27021600).

Almost surely, 2^212232263 is an apocalyptic number.

212232263 is a deficient number, since it is larger than the sum of its proper divisors (3940537).

212232263 is an equidigital number, since it uses as much as digits as its factorization.

212232263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781.

The product of its digits is 1728, while the sum is 23.

The square root of 212232263 is about 14568.1935393514. The cubic root of 212232263 is about 596.4908713335.

Adding to 212232263 its reverse (362232212), we get a palindrome (574464475).

The spelling of 212232263 in words is "two hundred twelve million, two hundred thirty-two thousand, two hundred sixty-three".