212884241 has 2 divisors, whose sum is σ = 212884242. Its totient is φ = 212884240.

The previous prime is 212884237. The next prime is 212884249. The reversal of 212884241 is 142488212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110166016 + 102718225 = 10496^2 + 10135^2 .

It is a cyclic number.

It is not a de Polignac number, because 212884241 - 2² = 212884237 is a prime.

It is a super-2 number, since 2×212884241² = 90639400132292162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212884198 and 212884207.

It is not a weakly prime, because it can be changed into another prime (212884249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106442120 + 106442121.

It is an arithmetic number, because the mean of its divisors is an integer number (106442121).

Almost surely, 2^212884241 is an apocalyptic number.

It is an amenable number.

212884241 is a deficient number, since it is larger than the sum of its proper divisors (1).

212884241 is an equidigital number, since it uses as much as digits as its factorization.

212884241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8192, while the sum is 32.

The square root of 212884241 is about 14590.5531423589. The cubic root of 212884241 is about 597.1010540413.

The spelling of 212884241 in words is "two hundred twelve million, eight hundred eighty-four thousand, two hundred forty-one".