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212201332222 = 21129332603969
BaseRepresentation
bin1100010110100000101…
…1110101110111111110
3202021201200020120201211
43011220023311313332
511434042020112342
6241252310555034
721221355364105
oct3055013656776
9667650216654
10212201332222
1181aa3135740
1235161968a7a
131701a0b6499
14a3b074b03c
1557be713c17
hex31682f5dfe

212201332222 has 16 divisors (see below), whose sum is σ = 359212287600. Its totient is φ = 93129111040.

The previous prime is 212201332201. The next prime is 212201332267. The reversal of 212201332222 is 222233102212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 212201332193 and 212201332202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166301347 + ... + 166302622.

It is an arithmetic number, because the mean of its divisors is an integer number (22450767975).

Almost surely, 2212201332222 is an apocalyptic number.

212201332222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212201332222 is a deficient number, since it is larger than the sum of its proper divisors (147010955378).

212201332222 is a wasteful number, since it uses less digits than its factorization.

212201332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332604011.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212201332222 its reverse (222233102212), we get a palindrome (434434434434).

The spelling of 212201332222 in words is "two hundred twelve billion, two hundred one million, three hundred thirty-two thousand, two hundred twenty-two".

Divisors: 1 2 11 22 29 58 319 638 332603969 665207938 3658643659 7317287318 9645515101 19291030202 106100666111 212201332222