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1200200310220 = 2251973351112323
BaseRepresentation
bin10001011101110001100…
…000110101110111001100
311020201221000121220221111
4101131301200311313030
5124131002234411340
62315210413541404
7152466040211602
oct21356140656714
94221830556844
101200200310220
1142300287112a
121747347a4864
1389241c50272
1442138d8b872
15213475a6aea
hex11771835dcc

1200200310220 has 96 divisors (see below), whose sum is σ = 2690402158080. Its totient is φ = 448418280960.

The previous prime is 1200200310217. The next prime is 1200200310229. The reversal of 1200200310220 is 220130020021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200200310220.

It is not an unprimeable number, because it can be changed into a prime (1200200310229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97388979 + ... + 97401301.

It is an arithmetic number, because the mean of its divisors is an integer number (28025022480).

Almost surely, 21200200310220 is an apocalyptic number.

1200200310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200200310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345201079040).

1200200310220 is an abundant number, since it is smaller than the sum of its proper divisors (1490201847860).

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

1200200310220 is a wasteful number, since it uses less digits than its factorization.

1200200310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935 (or 15933 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1200200310220 its reverse (220130020021), we get a palindrome (1420330330241).

The spelling of 1200200310220 in words is "one trillion, two hundred billion, two hundred million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 73 76 95 146 190 292 365 380 730 1387 1460 2774 3511 5548 6935 7022 12323 13870 14044 17555 24646 27740 35110 49292 61615 66709 70220 123230 133418 234137 246460 256303 266836 333545 468274 512606 667090 899579 936548 1025212 1170685 1281515 1334180 1799158 2341370 2563030 3598316 4497895 4682740 4869757 5126060 8995790 9739514 17092001 17991580 19479028 24348785 34184002 43266053 48697570 68368004 85460005 86532106 97395140 170920010 173064212 216330265 341840020 432660530 822055007 865321060 1644110014 3158421869 3288220028 4110275035 6316843738 8220550070 12633687476 15792109345 16441100140 31584218690 60010015511 63168437380 120020031022 240040062044 300050077555 600100155110 1200200310220