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212223011222 = 2191555557621
BaseRepresentation
bin1100010110100101111…
…0100010100110010110
3202021210012000222201202
43011221132202212112
511434113042324342
6241254403352502
721222040555145
oct3055136424626
9667705028652
10212223011222
11820043a2472
1235169082732
1317021736bb1
14a3b359175c
1557c1597332
hex31697a2996

212223011222 has 8 divisors (see below), whose sum is σ = 320001190272. Its totient is φ = 105555947800.

The previous prime is 212223011219. The next prime is 212223011237. The reversal of 212223011222 is 222110322212.

212223011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212223011194 and 212223011203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277778429 + ... + 277779192.

It is an arithmetic number, because the mean of its divisors is an integer number (40000148784).

Almost surely, 2212223011222 is an apocalyptic number.

212223011222 is a deficient number, since it is larger than the sum of its proper divisors (107778179050).

212223011222 is a wasteful number, since it uses less digits than its factorization.

212223011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555557814.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212223011222 its reverse (222110322212), we get a palindrome (434333333434).

The spelling of 212223011222 in words is "two hundred twelve billion, two hundred twenty-three million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 191 382 555557621 1111115242 106111505611 212223011222