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212020110221202 = 23211778895012289
BaseRepresentation
bin110000001101010011000111…
…010110101101111110010010
31000210200220222000122020200100
4300031103013112231332102
5210242214141204034302
62030532405523233230
762441642660356533
oct6015230726557622
91023626860566610
10212020110221202
1161613250959a78
121b942b01b18816
13913c54513832a
143a4db843ba68a
15197a1e274dd1c
hexc0d4c75adf92

212020110221202 has 12 divisors (see below), whose sum is σ = 459376905479310. Its totient is φ = 70673370073728.

The previous prime is 212020110221167. The next prime is 212020110221221. The reversal of 212020110221202 is 202122011020212.

It is a happy number.

212020110221202 is a `hidden beast` number, since 21 + 20 + 201 + 1 + 0 + 221 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 178851598878681 + 33168511342521 = 13373541^2 + 5759211^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11778895012289 = 212020110221202 / (2 + 1 + 2 + 0 + 2 + 0 + 1 + 1 + 0 + 2 + 2 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5889447506127 + ... + 5889447506162.

Almost surely, 2212020110221202 is an apocalyptic number.

212020110221202 is an abundant number, since it is smaller than the sum of its proper divisors (247356795258108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212020110221202 is a wasteful number, since it uses less digits than its factorization.

212020110221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778895012297 (or 11778895012294 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212020110221202 its reverse (202122011020212), we get a palindrome (414142121241414).

The spelling of 212020110221202 in words is "two hundred twelve trillion, twenty billion, one hundred ten million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 11778895012289 23557790024578 35336685036867 70673370073734 106010055110601 212020110221202