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12102311010320 = 2451222712372527
BaseRepresentation
bin1011000000011100100111…
…1100101110000000010000
31120211222011212021221012222
42300013021330232000100
53041241013104312240
641423420330040212
72356235356160306
oct260071174560020
946758155257188
1012102311010320
11394661a071193
121435613579068
1369a320c2ab4b
142dba7d936276
1515ec1eea3eb5
hexb01c9f2e010

12102311010320 has 40 divisors (see below), whose sum is σ = 28140176663424. Its totient is φ = 4840528092032.

The previous prime is 12102311010319. The next prime is 12102311010323. The reversal of 12102311010320 is 2301011320121.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (12102311010323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5208104 + ... + 7164423.

Almost surely, 212102311010320 is an apocalyptic number.

12102311010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102311010320 is an abundant number, since it is smaller than the sum of its proper divisors (16037865653104).

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

12102311010320 is a wasteful number, since it uses less digits than its factorization.

12102311010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12384767 (or 12384761 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12102311010320 its reverse (2301011320121), we get a palindrome (14403322330441).

The spelling of 12102311010320 in words is "twelve trillion, one hundred two billion, three hundred eleven million, ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 12227 24454 48908 61135 97816 122270 195632 244540 489080 978160 12372527 24745054 49490108 61862635 98980216 123725270 197960432 247450540 494901080 989802160 151278887629 302557775258 605115550516 756394438145 1210231101032 1512788876290 2420462202064 3025577752580 6051155505160 12102311010320