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1213332011122 = 272112102321809
BaseRepresentation
bin10001101010000000001…
…110010011100001110010
311021222211012020110002011
4101222000032103201302
5124334400443323442
62325221431513134
7153442332633100
oct21520016234162
94258735213064
101213332011122
1142863131a400
1217719a5287aa
138a5556b499a
1442a22ddac70
1521865371117
hex11a80393872

1213332011122 has 36 divisors (see below), whose sum is σ = 2327104924830. Its totient is φ = 472726752960.

The previous prime is 1213332011117. The next prime is 1213332011137. The reversal of 1213332011122 is 2211102333121.

It can be written as a sum of positive squares in only one way, i.e., 1062546578401 + 150785432721 = 1030799^2 + 388311^2 .

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 = 1213332011093 and 1213332011102.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51149047 + ... + 51172762.

Almost surely, 21213332011122 is an apocalyptic number.

1213332011122 is a deficient number, since it is larger than the sum of its proper divisors (1113772913708).

1213332011122 is a wasteful number, since it uses less digits than its factorization.

1213332011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102321847 (or 102321829 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1213332011122 its reverse (2211102333121), we get a palindrome (3424434344243).

The spelling of 1213332011122 in words is "one trillion, two hundred thirteen billion, three hundred thirty-two million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 7 11 14 22 49 77 98 121 154 242 539 847 1078 1694 5929 11858 102321809 204643618 716252663 1125539899 1432505326 2251079798 5013768641 7878779293 10027537282 12380938889 15757558586 24761877778 55151455051 86666572223 110302910102 173333144446 606666005561 1213332011122