212023330231 has 2 divisors, whose sum is σ = 212023330232. Its totient is φ = 212023330230.

The previous prime is 212023330223. The next prime is 212023330247. The reversal of 212023330231 is 132033320212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212023330231 - 2³ = 212023330223 is a prime.

It is a super-2 number, since 2×212023330231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212023330531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011665115 + 106011665116.

It is an arithmetic number, because the mean of its divisors is an integer number (106011665116).

Almost surely, 2^212023330231 is an apocalyptic number.

212023330231 is a deficient number, since it is larger than the sum of its proper divisors (1).

212023330231 is an equidigital number, since it uses as much as digits as its factorization.

212023330231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212023330231 its reverse (132033320212), we get a palindrome (344056650443).

The spelling of 212023330231 in words is "two hundred twelve billion, twenty-three million, three hundred thirty thousand, two hundred thirty-one".