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212233221223 is a prime number
BaseRepresentation
bin1100010110101000010…
…1011111010001100111
3202021210220020201012221
43011222011133101213
511434123201034343
6241255410253211
721222223421002
oct3055205372147
9667726221187
10212233221223
118200a136391
1235170587207
13170238a020a
14a3b4a8c539
1557c24125ed
hex316a15f467

212233221223 has 2 divisors, whose sum is σ = 212233221224. Its totient is φ = 212233221222.

The previous prime is 212233221169. The next prime is 212233221251. The reversal of 212233221223 is 322122332212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212233221223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212233221283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106116610611 + 106116610612.

It is an arithmetic number, because the mean of its divisors is an integer number (106116610612).

Almost surely, 2212233221223 is an apocalyptic number.

212233221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212233221223 is an equidigital number, since it uses as much as digits as its factorization.

212233221223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

Adding to 212233221223 its reverse (322122332212), we get a palindrome (534355553435).

The spelling of 212233221223 in words is "two hundred twelve billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-three".