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12231013331112 = 233631807647473
BaseRepresentation
bin1011000111111100000100…
…1101000111000010101000
31121022021101100102020121220
42301333001031013002220
53100343103403043422
642002503331302040
72401442624641332
oct261770115070250
947267340366556
1012231013331112
113996164188764
12145655174a920
136a94c1ccab54
14303dac926452
15163253e34e5c
hexb1fc13470a8

12231013331112 has 32 divisors (see below), whose sum is σ = 30625992214080. Its totient is φ = 4070543258880.

The previous prime is 12231013331111. The next prime is 12231013331183. The reversal of 12231013331112 is 21113331013221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12231013331111) 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, 403808593 + ... + 403838880.

It is an arithmetic number, because the mean of its divisors is an integer number (957062256690).

Almost surely, 212231013331112 is an apocalyptic number.

12231013331112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12231013331112 is an abundant number, since it is smaller than the sum of its proper divisors (18394978882968).

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

12231013331112 is a wasteful number, since it uses less digits than its factorization.

12231013331112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807648113 (or 807648109 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12231013331112 its reverse (21113331013221), we get a palindrome (33344344344333).

The spelling of 12231013331112 in words is "twelve trillion, two hundred thirty-one billion, thirteen million, three hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 631 1262 1893 2524 3786 5048 7572 15144 807647473 1615294946 2422942419 3230589892 4845884838 6461179784 9691769676 19383539352 509625555463 1019251110926 1528876666389 2038502221852 3057753332778 4077004443704 6115506665556 12231013331112