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12031322122112 = 27241390019519
BaseRepresentation
bin1010111100010100001010…
…1011100110011110000000
31120121011221112011202202012
42233011002223212132000
53034110121430401422
641331040231512052
72351143243446536
oct257050253463600
946534845152665
1012031322122112
113919500755837
121423901528628
13693719966c57
142d8467866156
1515ce67b594e2
hexaf142ae6780

12031322122112 has 32 divisors (see below), whose sum is σ = 24068104579200. Its totient is φ = 5990699796480.

The previous prime is 12031322122103. The next prime is 12031322122123. The reversal of 12031322122112 is 21122122313021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×120313221221123 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194978912 + ... + 195040607.

It is an arithmetic number, because the mean of its divisors is an integer number (752128268100).

Almost surely, 212031322122112 is an apocalyptic number.

It is an amenable number.

12031322122112 is an abundant number, since it is smaller than the sum of its proper divisors (12036782457088).

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

12031322122112 is an equidigital number, since it uses as much as digits as its factorization.

12031322122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390019774 (or 390019762 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12031322122112 its reverse (21122122313021), we get a palindrome (33153444435133).

The spelling of 12031322122112 in words is "twelve trillion, thirty-one billion, three hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 241 482 964 1928 3856 7712 15424 30848 390019519 780039038 1560078076 3120156152 6240312304 12480624608 24961249216 49922498432 93994704079 187989408158 375978816316 751957632632 1503915265264 3007830530528 6015661061056 12031322122112