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1210222011122 = 217731481332917
BaseRepresentation
bin10001100111000110110…
…110100110001011110010
311021200210110020002002222
4101213012312212023302
5124312013313323442
62323545053441042
7153302300235515
oct21470666461362
94250713202088
101210222011122
11427285858373
12176670aa0182
138a17b2980b7
1442809d5cd7c
15217322ee8d2
hex119c6da62f2

1210222011122 has 32 divisors (see below), whose sum is σ = 1948638418992. Its totient is φ = 561659664384.

The previous prime is 1210222011113. The next prime is 1210222011133. The reversal of 1210222011122 is 2211102220121.

It can be written as a sum of positive squares in 8 ways, for example, as 722960773441 + 487261237681 = 850271^2 + 698041^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1210222011122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36749408 + ... + 36782324.

Almost surely, 21210222011122 is an apocalyptic number.

1210222011122 is a deficient number, since it is larger than the sum of its proper divisors (738416407870).

1210222011122 is a wasteful number, since it uses less digits than its factorization.

1210222011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47822.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1210222011122 its reverse (2211102220121), we get a palindrome (3421324231243).

The spelling of 1210222011122 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 17 34 73 146 1241 2482 14813 29626 32917 65834 251821 503642 559589 1081349 1119178 2162698 2402941 4805882 18382933 36765866 40849997 81699994 487599521 975199042 8289191857 16578383714 35594765033 71189530066 605111005561 1210222011122