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320112022212 = 223237240324341
BaseRepresentation
bin1001010100010000010…
…10011101001011000100
31010121021011020121120200
410222020022131023010
520221042134202322
6403020223330500
732061450202533
oct4521012351304
91117234217520
10320112022212
11113838989264
1252058a50a30
1324256799178
14116ca26831a
1584d81a68ac
hex4a8829d2c4

320112022212 has 36 divisors (see below), whose sum is σ = 831041574636. Its totient is φ = 103820114880.

The previous prime is 320112022199. The next prime is 320112022291. The reversal of 320112022212 is 212220211023.

320112022212 is a `hidden beast` number, since 320 + 1 + 120 + 2 + 221 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 276072481476 + 44039540736 = 525426^2 + 209856^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120160839 + ... + 120163502.

Almost surely, 2320112022212 is an apocalyptic number.

It is an amenable number.

320112022212 is an abundant number, since it is smaller than the sum of its proper divisors (510929552424).

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

320112022212 is a wasteful number, since it uses less digits than its factorization.

320112022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240324388 (or 240324383 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 320112022212 its reverse (212220211023), we get a palindrome (532332233235).

The spelling of 320112022212 in words is "three hundred twenty billion, one hundred twelve million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 240324341 480648682 720973023 961297364 1441946046 2162919069 2883892092 4325838138 8651676276 8892000617 17784001234 26676001851 35568002468 53352003702 80028005553 106704007404 160056011106 320112022212