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2012011102220 = 2257291514932713
BaseRepresentation
bin11101010001110101001…
…101010000000000001100
321010100100111212001200212
4131101311031100000030
5230431044320232340
64140145524341552
7265235340121550
oct35216515200014
97110314761625
102012011102220
1170631a8a5749
12285b365448b8
13117968ab5352
146d54bb5b860
153750c6e2a65
hex1d47535000c

2012011102220 has 96 divisors (see below), whose sum is σ = 4995820368000. Its totient is φ = 665980729344.

The previous prime is 2012011102207. The next prime is 2012011102259. The reversal of 2012011102220 is 222011102102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2012011102195 and 2012011102204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61488584 + ... + 61521296.

It is an arithmetic number, because the mean of its divisors is an integer number (52039795500).

Almost surely, 22012011102220 is an apocalyptic number.

2012011102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012011102220 is an abundant number, since it is smaller than the sum of its proper divisors (2983809265780).

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

2012011102220 is a wasteful number, since it uses less digits than its factorization.

2012011102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47907 (or 47905 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012011102220 its reverse (222011102102), we get a palindrome (2234022204322).

The spelling of 2012011102220 in words is "two trillion, twelve billion, eleven million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 15149 30298 32713 60596 65426 75745 106043 130852 151490 163565 212086 228991 302980 327130 424172 439321 457982 530215 654260 878642 915964 948677 1060430 1144955 1757284 1897354 2120860 2196605 2289910 3075247 3794708 4393210 4579820 4743385 6150494 6640739 8786420 9486770 12300988 13281478 15376235 18973540 26562956 30752470 33203695 61504940 66407390 132814780 495569237 991138474 1982276948 2477846185 3468984659 4955692370 6937969318 9911384740 13875938636 14371507873 17344923295 28743015746 34689846590 57486031492 69379693180 71857539365 100600555111 143715078730 201201110222 287430157460 402402220444 503002775555 1006005551110 2012011102220