Search a number
-
+
2012222001200 = 245245711007779
BaseRepresentation
bin11101010010000001110…
…001110001000000110000
321010100220012200211201012
4131102001301301000300
5230432012313014300
64140222500530052
7265243510541435
oct35220161610060
97110805624635
102012222001200
11706418952224
12285b950b0928
131179a06b7448
146d56bb79b8c
1537520ea1435
hex1d481c71030

2012222001200 has 60 divisors (see below), whose sum is σ = 4844942273640. Its totient is φ = 803127482880.

The previous prime is 2012222001169. The next prime is 2012222001203. The reversal of 2012222001200 is 21002222102.

It is a super-2 number, since 2×20122220012002 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012222001203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5321090 + ... + 5686689.

It is an arithmetic number, because the mean of its divisors is an integer number (80749037894).

Almost surely, 22012222001200 is an apocalyptic number.

2012222001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012222001200 is an abundant number, since it is smaller than the sum of its proper divisors (2832720272440).

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

2012222001200 is a wasteful number, since it uses less digits than its factorization.

2012222001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008254 (or 11008243 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2012222001200 its reverse (21002222102), we get a palindrome (2033224223302).

The spelling of 2012222001200 in words is "two trillion, twelve billion, two hundred twenty-two million, one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 457 914 1828 2285 3656 4570 7312 9140 11425 18280 22850 36560 45700 91400 182800 11007779 22015558 44031116 55038895 88062232 110077790 176124464 220155580 275194475 440311160 550388950 880622320 1100777900 2201555800 4403111600 5030555003 10061110006 20122220012 25152775015 40244440024 50305550030 80488880048 100611100060 125763875075 201222200120 251527750150 402444400240 503055500300 1006111000600 2012222001200