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2222202012012 = 2232223276806429
BaseRepresentation
bin100000010101100101100…
…011111100000101101100
321212102220002010121022200
4200111211203330011230
5242402032203341022
64420510541141500
7316356144305043
oct40254543740554
97772802117280
102222202012012
11787481115244
122ba816b5a890
13131725515558
14797ab49955a
153cc10685bac
hex205658fc16c

2222202012012 has 36 divisors (see below), whose sum is σ = 5642422269120. Its totient is φ = 737412324192.

The previous prime is 2222202011983. The next prime is 2222202012061. The reversal of 2222202012012 is 2102102022222.

2222202012012 is a `hidden beast` number, since 222 + 220 + 20 + 1 + 201 + 2 = 666.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138395187 + ... + 138411242.

It is an arithmetic number, because the mean of its divisors is an integer number (156733951920).

Almost surely, 22222202012012 is an apocalyptic number.

It is an amenable number.

2222202012012 is an abundant number, since it is smaller than the sum of its proper divisors (3420220257108).

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

2222202012012 is a wasteful number, since it uses less digits than its factorization.

2222202012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276806662 (or 276806657 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222202012012 its reverse (2102102022222), we get a palindrome (4324304034234).

The spelling of 2222202012012 in words is "two trillion, two hundred twenty-two billion, two hundred two million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 223 446 669 892 1338 2007 2676 4014 8028 276806429 553612858 830419287 1107225716 1660838574 2491257861 3321677148 4982515722 9965031444 61727833667 123455667334 185183501001 246911334668 370367002002 555550503003 740734004004 1111101006006 2222202012012