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2212011231020 = 225591874585789
BaseRepresentation
bin100000001100000110001…
…001001100011100101100
321211110120212101021212122
4200030012021030130230
5242220144333343040
64412103421252112
7315545462143223
oct40140611143454
97743525337778
102212011231020
11783121744698
122b8852104038
1313079014b026
14790c1c73cba
153c815b901b5
hex2030624c72c

2212011231020 has 24 divisors (see below), whose sum is σ = 4723956190800. Its totient is φ = 869807805632.

The previous prime is 2212011231007. The next prime is 2212011231037. The reversal of 2212011231020 is 201321102122.

It is a self number, because there is not a number n which added to its sum of digits gives 2212011231020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937291715 + ... + 937294074.

It is an arithmetic number, because the mean of its divisors is an integer number (196831507950).

Almost surely, 22212011231020 is an apocalyptic number.

2212011231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212011231020 is an abundant number, since it is smaller than the sum of its proper divisors (2511944959780).

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

2212011231020 is a wasteful number, since it uses less digits than its factorization.

2212011231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874585857 (or 1874585855 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2212011231020 its reverse (201321102122), we get a palindrome (2413332333142).

The spelling of 2212011231020 in words is "two trillion, two hundred twelve billion, eleven million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 1874585789 3749171578 7498343156 9372928945 18745857890 37491715780 110600561551 221201123102 442402246204 553002807755 1106005615510 2212011231020