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12000032001312 = 253196578964913
BaseRepresentation
bin1010111010011111100110…
…1001010000110100100000
31120111012011212021221100020
42232213321221100310200
53033102031143020222
641304423311553440
72345654660014545
oct256477151206440
946435155257306
1012000032001312
113907204251973
12141982a52b880
136907a1215784
142d6b39d4cbcc
1515c235b4265c
hexae9f9a50d20

12000032001312 has 48 divisors (see below), whose sum is σ = 33157983166560. Its totient is φ = 3789483789312.

The previous prime is 12000032001311. The next prime is 12000032001361. The reversal of 12000032001312 is 21310023000021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 12000032001291 and 12000032001300.

It is not an unprimeable number, because it can be changed into a prime (12000032001311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3289480633 + ... + 3289484280.

It is an arithmetic number, because the mean of its divisors is an integer number (690791315970).

Almost surely, 212000032001312 is an apocalyptic number.

12000032001312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12000032001312 is an abundant number, since it is smaller than the sum of its proper divisors (21157951165248).

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

12000032001312 is a wasteful number, since it uses less digits than its factorization.

12000032001312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578964945 (or 6578964937 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12000032001312 its reverse (21310023000021), we get a palindrome (33310055001333).

The spelling of 12000032001312 in words is "twelve trillion, thirty-two million, one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 6578964913 13157929826 19736894739 26315859652 39473789478 52631719304 78947578956 105263438608 125000333347 157895157912 210526877216 250000666694 315790315824 375001000041 500001333388 631580631648 750002000082 1000002666776 1500004000164 2000005333552 3000008000328 4000010667104 6000016000656 12000032001312