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122220110012 = 2271113171795559
BaseRepresentation
bin111000111010011100…
…0101110000010111100
3102200110201200212220012
41301310320232002330
54000301322010022
6132051441042352
711554504536230
oct1616470560274
9380421625805
10122220110012
114791907a690
121b82b3263b8
13b6aa13a230
145cb613a5c0
1532a4d45de2
hex1c74e2e0bc

122220110012 has 96 divisors (see below), whose sum is σ = 304067312640. Its totient is φ = 41369656320.

The previous prime is 122220109987. The next prime is 122220110027. The reversal of 122220110012 is 210011022221.

It is a super-3 number, since 3×1222201100123 (a number of 34 digits) contains 333 as substring.

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

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 829712 + ... + 965847.

It is an arithmetic number, because the mean of its divisors is an integer number (3167367840).

Almost surely, 2122220110012 is an apocalyptic number.

It is an amenable number.

122220110012 is an abundant number, since it is smaller than the sum of its proper divisors (181847202628).

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

122220110012 is a wasteful number, since it uses less digits than its factorization.

122220110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795611 (or 1795609 counting only the distinct ones).

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

Adding to 122220110012 its reverse (210011022221), we get a palindrome (332231132233).

It can be divided in two parts, 122220 and 110012, that added together give a palindrome (232232).

The spelling of 122220110012 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred ten thousand, twelve".

Divisors: 1 2 4 7 11 13 14 17 22 26 28 34 44 52 68 77 91 119 143 154 182 187 221 238 286 308 364 374 442 476 572 748 884 1001 1309 1547 2002 2431 2618 3094 4004 4862 5236 6188 9724 17017 34034 68068 1795559 3591118 7182236 12568913 19751149 23342267 25137826 30524503 39502298 46684534 50275652 61049006 79004596 93369068 122098012 138258043 163395869 213671521 256764937 276516086 326791738 335769533 396818539 427343042 513529874 553032172 653583476 671539066 793637078 854686084 1027059748 1343078132 1587274156 1797354559 2350386731 2777729773 3594709118 4365003929 4700773462 5555459546 7189418236 8730007858 9401546924 11110919092 17460015716 30555027503 61110055006 122220110012