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12231021230330 = 2572291814755433
BaseRepresentation
bin1011000111111100000110…
…1011001111100011111010
31121022021101220021120022112
42301333001223033203322
53100343112413332310
642002504212452322
72401443052041200
oct261770153174372
947267356246275
1012231021230330
113996168693541
12145655431a0a2
136a94c3835446
14303dad9c1070
15163254995705
hexb1fc1acf8fa

12231021230330 has 96 divisors (see below), whose sum is σ = 26639751050640. Its totient is φ = 4026519383040.

The previous prime is 12231021230327. The next prime is 12231021230333. The reversal of 12231021230330 is 3303212013221.

It is an interprime number because it is at equal distance from previous prime (12231021230327) and next prime (12231021230333).

It can be written as a sum of positive squares in 8 ways, for example, as 31292548609 + 12199728681721 = 176897^2 + 3492811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12231021230296 and 12231021230305.

It is not an unprimeable number, because it can be changed into a prime (12231021230333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194294 + ... + 4949726.

Almost surely, 212231021230330 is an apocalyptic number.

12231021230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12231021230330 is an abundant number, since it is smaller than the sum of its proper divisors (14408729820310).

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

12231021230330 is a wasteful number, since it uses less digits than its factorization.

12231021230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755664 (or 4755657 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12231021230330 its reverse (3303212013221), we get a palindrome (15534233243551).

The spelling of 12231021230330 in words is "twelve trillion, two hundred thirty-one billion, twenty-one million, two hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 49 58 70 98 145 181 203 245 290 362 406 490 905 1015 1267 1421 1810 2030 2534 2842 5249 6335 7105 8869 10498 12670 14210 17738 26245 36743 44345 52490 73486 88690 183715 257201 367430 514402 1286005 2572010 4755433 9510866 23777165 33288031 47554330 66576062 137907557 166440155 233016217 275815114 332880310 466032434 689537785 860733373 965352899 1165081085 1379075570 1721466746 1930705798 2330162170 4303666865 4826764495 6025133611 6757470293 8607333730 9653528990 12050267222 13514940586 24961267817 30125668055 33787351465 42175935277 49922535634 60251336110 67574702930 84351870554 124806339085 174728874719 210879676385 249612678170 349457749438 421759352770 873644373595 1223102123033 1747288747190 2446204246066 6115510615165 12231021230330