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212122231220310 = 23531228088420667
BaseRepresentation
bin110000001110110010001110…
…001111011010100001010110
31000211001200120000022111201120
4300032302032033122201112
5210300402312143022220
62031051335134504410
762452216430502105
oct6016621617324126
91024050500274646
10212122231220310
11616525955660a4
121b95a862065106
13914906b1a8a18
143a54ab0dd203c
15197cbbcc9ca40
hexc0ec8e3da856

212122231220310 has 32 divisors (see below), whose sum is σ = 525515721219072. Its totient is φ = 54741220959840.

The previous prime is 212122231220299. The next prime is 212122231220321. The reversal of 212122231220310 is 13022132221212.

It is an interprime number because it is at equal distance from previous prime (212122231220299) and next prime (212122231220321).

It is a super-2 number, since 2×2121222312203102 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114044209404 + ... + 114044211263.

It is an arithmetic number, because the mean of its divisors is an integer number (16422366288096).

Almost surely, 2212122231220310 is an apocalyptic number.

212122231220310 is an abundant number, since it is smaller than the sum of its proper divisors (313393489998762).

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

212122231220310 is a wasteful number, since it uses less digits than its factorization.

212122231220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228088420708.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 212122231220310 its reverse (13022132221212), we get a palindrome (225144363441522).

The spelling of 212122231220310 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred thirty-one million, two hundred twenty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 228088420667 456176841334 684265262001 1140442103335 1368530524002 2280884206670 3421326310005 6842652620010 7070741040677 14141482081354 21212223122031 35353705203385 42424446244062 70707410406770 106061115610155 212122231220310