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212212412341 = 367357776317
BaseRepresentation
bin1100010110100011011…
…0000110111110110101
3202021202110002111210121
43011220312012332311
511434102334143331
6241253344251541
721221551512466
oct3055066067665
9667673074717
10212212412341
1181aa9413366
1235165610bb1
131701c495877
14a3b1dd2d6d
1557c06a1c11
hex3168d86fb5

212212412341 has 4 divisors (see below), whose sum is σ = 212270192332. Its totient is φ = 212154632352.

The previous prime is 212212412333. The next prime is 212212412381. The reversal of 212212412341 is 143214212212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55135736100 + 157076676241 = 234810^2 + 396329^2 .

It is a cyclic number.

It is not a de Polignac number, because 212212412341 - 23 = 212212412333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212412381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28884486 + ... + 28891831.

It is an arithmetic number, because the mean of its divisors is an integer number (53067548083).

Almost surely, 2212212412341 is an apocalyptic number.

It is an amenable number.

212212412341 is a deficient number, since it is larger than the sum of its proper divisors (57779991).

212212412341 is an equidigital number, since it uses as much as digits as its factorization.

212212412341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57779990.

The product of its digits is 1536, while the sum is 25.

Adding to 212212412341 its reverse (143214212212), we get a palindrome (355426624553).

The spelling of 212212412341 in words is "two hundred twelve billion, two hundred twelve million, four hundred twelve thousand, three hundred forty-one".

Divisors: 1 3673 57776317 212212412341