Search a number
-
+
12022020120220 = 22511162859335539
BaseRepresentation
bin1010111011110001100000…
…1111010001111010011100
31120120021221020211010000121
42232330120033101322130
53033432044122321340
641322501221404324
72350363602650515
oct256743017217234
946507836733017
1012022020120220
113915567a43070
121421b462696a4
13692896767916
142d7c242b9a0c
1515cac11c594a
hexaef183d1e9c

12022020120220 has 48 divisors (see below), whose sum is σ = 27541606377600. Its totient is φ = 4371603808320.

The previous prime is 12022020120199. The next prime is 12022020120221. The reversal of 12022020120220 is 2202102022021.

It is a junction number, because it is equal to n+sod(n) for n = 12022020120194 and 12022020120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022020120221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35661211 + ... + 35996749.

It is an arithmetic number, because the mean of its divisors is an integer number (573783466200).

Almost surely, 212022020120220 is an apocalyptic number.

12022020120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022020120220 is an abundant number, since it is smaller than the sum of its proper divisors (15519586257380).

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

12022020120220 is a wasteful number, since it uses less digits than its factorization.

12022020120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498418 (or 498416 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12022020120220 its reverse (2202102022021), we get a palindrome (14224122142241).

The spelling of 12022020120220 in words is "twelve trillion, twenty-two billion, twenty million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 162859 325718 335539 651436 671078 814295 1342156 1628590 1677695 1791449 3257180 3355390 3582898 3690929 6710780 7165796 7381858 8957245 14763716 17914490 18454645 35828980 36909290 73818580 54645546001 109291092002 218582184004 273227730005 546455460010 601101006011 1092910920020 1202202012022 2404404024044 3005505030055 6011010060110 12022020120220