212230002331 has 2 divisors, whose sum is σ = 212230002332. Its totient is φ = 212230002330.

The previous prime is 212230002329. The next prime is 212230002389. The reversal of 212230002331 is 133200032212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212230002331 - 2¹ = 212230002329 is a prime.

It is a super-2 number, since 2×212230002331² (a number of 23 digits) contains 22 as substring.

Together with 212230002329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 212230002299 and 212230002308.

It is not a weakly prime, because it can be changed into another prime (212230002031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106115001165 + 106115001166.

It is an arithmetic number, because the mean of its divisors is an integer number (106115001166).

Almost surely, 2^212230002331 is an apocalyptic number.

212230002331 is a deficient number, since it is larger than the sum of its proper divisors (1).

212230002331 is an equidigital number, since it uses as much as digits as its factorization.

212230002331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212230002331 its reverse (133200032212), we get a palindrome (345430034543).

The spelling of 212230002331 in words is "two hundred twelve billion, two hundred thirty million, two thousand, three hundred thirty-one".