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112112321213 is a prime number
BaseRepresentation
bin110100001101001101…
…0100100001010111101
3101201101022010000100002
41220122122210022331
53314101223234323
6123300444044045
711046151002224
oct1503232441275
9351338100302
10112112321213
1143601534322
121988a233625
13a759010009
1455d7959cbb
152db2795828
hex1a1a6a42bd

112112321213 has 2 divisors, whose sum is σ = 112112321214. Its totient is φ = 112112321212.

The previous prime is 112112321183. The next prime is 112112321351. The reversal of 112112321213 is 312123211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90801576889 + 21310744324 = 301333^2 + 145982^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112321213 - 26 = 112112321149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112112321813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056160606 + 56056160607.

It is an arithmetic number, because the mean of its divisors is an integer number (56056160607).

Almost surely, 2112112321213 is an apocalyptic number.

It is an amenable number.

112112321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112321213 is an equidigital number, since it uses as much as digits as its factorization.

112112321213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

Adding to 112112321213 its reverse (312123211211), we get a palindrome (424235532424).

The spelling of 112112321213 in words is "one hundred twelve billion, one hundred twelve million, three hundred twenty-one thousand, two hundred thirteen".