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122012100022220 = 22561972602139623
BaseRepresentation
bin11011101111100000100111…
…111000010100111111001100
3121000000020120000221200221122
4123233200213320110333030
5111443021240101202340
61111255330203220112
734462040403163022
oct3357404770247714
9530006500850848
10122012100022220
113597104a682861
1211826919517638
1353108cb7764b5
14221b5ba936712
15e18c34a5edb5
hex6ef827e14fcc

122012100022220 has 96 divisors (see below), whose sum is σ = 263127381019776. Its totient is φ = 47506841395200.

The previous prime is 122012100022181. The next prime is 122012100022237. The reversal of 122012100022220 is 22220001210221.

It is a happy number.

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, 3079305329 + ... + 3079344951.

It is an arithmetic number, because the mean of its divisors is an integer number (2740910218956).

Almost surely, 2122012100022220 is an apocalyptic number.

122012100022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012100022220 is an abundant number, since it is smaller than the sum of its proper divisors (141115280997556).

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

122012100022220 is a wasteful number, since it uses less digits than its factorization.

122012100022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65811 (or 65809 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122012100022220 its reverse (22220001210221), we get a palindrome (144232101232441).

The spelling of 122012100022220 in words is "one hundred twenty-two trillion, twelve billion, one hundred million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 97 122 194 244 305 388 485 610 970 1220 1940 5917 11834 23668 26021 29585 39623 52042 59170 79246 104084 118340 130105 158492 198115 260210 396230 520420 792460 1587281 2417003 2524037 3174562 3843431 4834006 5048074 6349124 7686862 7936405 9668012 10096148 12085015 12620185 15373724 15872810 19217155 24170030 25240370 31745620 38434310 48340060 50480740 76868620 153966257 234449291 307932514 468898582 615865028 769831285 937797164 1031030083 1172246455 1539662570 2062060166 2344492910 3079325140 4124120332 4688985820 5155150415 10310300830 20620601660 62892835063 100009918051 125785670126 200019836102 251571340252 314464175315 400039672204 500049590255 628928350630 1000099180510 1257856701260 2000198361020 6100605001111 12201210002222 24402420004444 30503025005555 61006050011110 122012100022220