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12226355143212 = 223725728111631733
BaseRepresentation
bin1011000111101010101110…
…0011100010001000101100
31121021211100201012210010010
42301322223203202020230
53100304033404040322
642000413210213220
72401216322666520
oct261725343421054
947254321183103
1012226355143212
1139941938131a1
121455671724210
136a8c2bc19652
14303a89dddd80
1516307eeeb20c
hexb1eab8e222c

12226355143212 has 192 divisors, whose sum is σ = 32894167993344. Its totient is φ = 3462288506880.

The previous prime is 12226355143201. The next prime is 12226355143237. The reversal of 12226355143212 is 21234155362221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7055022298 + ... + 7055024030.

It is an arithmetic number, because the mean of its divisors is an integer number (171323791632).

Almost surely, 212226355143212 is an apocalyptic number.

12226355143212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12226355143212 is an abundant number, since it is smaller than the sum of its proper divisors (20667812850132).

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

12226355143212 is a wasteful number, since it uses less digits than its factorization.

12226355143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448 (or 3446 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The spelling of 12226355143212 in words is "twelve trillion, two hundred twenty-six billion, three hundred fifty-five million, one hundred forty-three thousand, two hundred twelve".