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12020120022210 = 2357271729931859
BaseRepresentation
bin1010111011101010011011…
…1110111110110011000010
31120120010000211110010120020
42232322212332332303002
53033414201211202320
641321544503554310
72350265531252256
oct256724676766302
946503024403506
1012020120022210
113914782430333
1214216b5a5b996
13692652bcb581
142d7ac3bc8266
1515ca0e498940
hexaeea6fbecc2

12020120022210 has 64 divisors (see below), whose sum is σ = 28890546048000. Its totient is φ = 3200670804672.

The previous prime is 12020120022137. The next prime is 12020120022247. The reversal of 12020120022210 is 1222002102021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12020120022210.

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, 377275261 + ... + 377307119.

It is an arithmetic number, because the mean of its divisors is an integer number (451414782000).

Almost surely, 212020120022210 is an apocalyptic number.

12020120022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020120022210 is an abundant number, since it is smaller than the sum of its proper divisors (16870426025790).

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

12020120022210 is a wasteful number, since it uses less digits than its factorization.

12020120022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49895.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12020120022210 its reverse (1222002102021), we get a palindrome (13242122124231).

The spelling of 12020120022210 in words is "twelve trillion, twenty billion, one hundred twenty million, twenty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 727 1454 2181 3635 4362 7270 10905 17299 21810 31859 34598 51897 63718 86495 95577 103794 159295 172990 191154 259485 318590 477885 518970 955770 12576373 23161493 25152746 37729119 46322986 62881865 69484479 75458238 115807465 125763730 138968958 188645595 231614930 347422395 377291190 551128841 694844790 1102257682 1653386523 2755644205 3306773046 5511288410 8266932615 16533865230 400670667407 801341334814 1202012002221 2003353337035 2404024004442 4006706674070 6010060011105 12020120022210