212331023227 has 2 divisors, whose sum is σ = 212331023228. Its totient is φ = 212331023226.

The previous prime is 212331023221. The next prime is 212331023231. The reversal of 212331023227 is 722320133212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212331023227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212331023195 and 212331023204.

It is not a weakly prime, because it can be changed into another prime (212331023221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165511613 + 106165511614.

It is an arithmetic number, because the mean of its divisors is an integer number (106165511614).

Almost surely, 2^212331023227 is an apocalyptic number.

212331023227 is a deficient number, since it is larger than the sum of its proper divisors (1).

212331023227 is an equidigital number, since it uses as much as digits as its factorization.

212331023227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 212331023227 its reverse (722320133212), we get a palindrome (934651156439).

The spelling of 212331023227 in words is "two hundred twelve billion, three hundred thirty-one million, twenty-three thousand, two hundred twenty-seven".