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112012217 is a prime number
BaseRepresentation
bin1101010110100…
…10101110111001
321210202210212122
412223102232321
5212133342332
615040451025
72530042142
oct653225671
9253683778
10112012217
1158256489
1231619a75
131a28b225
1410c3aac9
159c78c12
hex6ad2bb9

112012217 has 2 divisors, whose sum is σ = 112012218. Its totient is φ = 112012216.

The previous prime is 112012213. The next prime is 112012223. The reversal of 112012217 is 712210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 41938576 = 8371^2 + 6476^2 .

It is an emirp because it is prime and its reverse (712210211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112012217 - 22 = 112012213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 112012195 and 112012204.

It is not a weakly prime, because it can be changed into another prime (112012213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006108 + 56006109.

It is an arithmetic number, because the mean of its divisors is an integer number (56006109).

Almost surely, 2112012217 is an apocalyptic number.

It is an amenable number.

112012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012217 is an equidigital number, since it uses as much as digits as its factorization.

112012217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 112012217 is about 10583.5824275148. The cubic root of 112012217 is about 482.0459788097.

Adding to 112012217 its reverse (712210211), we get a palindrome (824222428).

The spelling of 112012217 in words is "one hundred twelve million, twelve thousand, two hundred seventeen".