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12030121312120 = 235983330586091
BaseRepresentation
bin1010111100001111101100…
…0110110111111101111000
31120121001211211122022010001
42233003323012313331320
53034100142023441440
641330321134202344
72351101422646012
oct257037306677570
946531754568101
1012030121312120
113918a4494648a
1214236273533b4
13693587c4abb2
142d83921a51b2
1515cde750db9a
hexaf0fb1b7f78

12030121312120 has 32 divisors (see below), whose sum is σ = 27070526585520. Its totient is φ = 4811558990080.

The previous prime is 12030121312103. The next prime is 12030121312133. The reversal of 12030121312120 is 2121312103021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14899726 + ... + 15686365.

Almost surely, 212030121312120 is an apocalyptic number.

12030121312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030121312120 is an abundant number, since it is smaller than the sum of its proper divisors (15040405273400).

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

12030121312120 is a wasteful number, since it uses less digits than its factorization.

12030121312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30595935 (or 30595931 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12030121312120 its reverse (2121312103021), we get a palindrome (14151433415141).

The spelling of 12030121312120 in words is "twelve trillion, thirty billion, one hundred twenty-one million, three hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 9833 19666 39332 49165 78664 98330 196660 393320 30586091 61172182 122344364 152930455 244688728 305860910 611721820 1223443640 300753032803 601506065606 1203012131212 1503765164015 2406024262424 3007530328030 6015060656060 12030121312120