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212200011112 = 23181146546969
BaseRepresentation
bin1100010110100000011…
…0110011010101101000
3202021201120202110111211
43011220012303111220
511434041200323422
6241252222402504
721221341222345
oct3055006632550
9667646673454
10212200011112
1181aa2413111
1235161430434
1317019a4306b
14a3b04c57cc
1557be552577
hex31681b3568

212200011112 has 16 divisors (see below), whose sum is σ = 400073228100. Its totient is φ = 105513816960.

The previous prime is 212200011077. The next prime is 212200011113. The reversal of 212200011112 is 211110002212.

It can be written as a sum of positive squares in 2 ways, for example, as 205620530116 + 6579480996 = 453454^2 + 81114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212200011092 and 212200011101.

It is not an unprimeable number, because it can be changed into a prime (212200011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73272037 + ... + 73274932.

Almost surely, 2212200011112 is an apocalyptic number.

It is an amenable number.

212200011112 is a deficient number, since it is larger than the sum of its proper divisors (187873216988).

212200011112 is a wasteful number, since it uses less digits than its factorization.

212200011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146547156 (or 146547152 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212200011112 its reverse (211110002212), we get a palindrome (423310013324).

The spelling of 212200011112 in words is "two hundred twelve billion, two hundred million, eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 181 362 724 1448 146546969 293093938 586187876 1172375752 26525001389 53050002778 106100005556 212200011112