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1212030202332 = 223293741255997
BaseRepresentation
bin10001101000110010101…
…000010011000111011100
311021212110110122201010210
4101220302220103013130
5124324214212433312
62324444325332420
7153365144510145
oct21506250230734
94255413581123
101212030202332
114280234a7174
12176a96567110
138a3a8a95621
144293c168acc
15217dae24e3c
hex11a32a131dc

1212030202332 has 144 divisors (see below), whose sum is σ = 3079786963680. Its totient is φ = 370272430080.

The previous prime is 1212030202283. The next prime is 1212030202363. The reversal of 1212030202332 is 2332020302121.

It is a happy number.

It is a super-2 number, since 2×12120302023322 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212030202299 and 1212030202308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21616558 + ... + 21672554.

It is an arithmetic number, because the mean of its divisors is an integer number (21387409470).

Almost surely, 21212030202332 is an apocalyptic number.

1212030202332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212030202332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539893481840).

1212030202332 is an abundant number, since it is smaller than the sum of its proper divisors (1867756761348).

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

1212030202332 is a wasteful number, since it uses less digits than its factorization.

1212030202332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56152 (or 56109 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1212030202332 its reverse (2332020302121), we get a palindrome (3544050504453).

The spelling of 1212030202332 in words is "one trillion, two hundred twelve billion, thirty million, two hundred two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 29 37 41 58 74 82 87 111 116 123 148 164 174 222 246 348 444 492 1073 1189 1517 1681 2146 2378 3034 3219 3362 3567 4292 4551 4756 5043 6068 6438 6724 7134 9102 10086 12876 14268 18204 20172 43993 48749 55997 62197 87986 97498 111994 124394 131979 146247 167991 175972 186591 194996 223988 248788 263958 292494 335982 373182 527916 584988 671964 746364 1623913 1803713 2071889 2295877 3247826 3607426 4143778 4591754 4871739 5411139 6215667 6495652 6887631 7214852 8287556 9183508 9743478 10822278 12431334 13775262 19486956 21644556 24862668 27550524 60084781 66580433 84947449 94130957 120169562 133160866 169894898 180254343 188261914 199741299 240339124 254842347 266321732 282392871 339789796 360508686 376523828 399482598 509684694 564785742 721017372 798965196 1019369388 1129571484 2463476021 2729797753 3482845409 4926952042 5459595506 6965690818 7390428063 8189393259 9853904084 10448536227 10919191012 13931381636 14780856126 16378786518 20897072454 29561712252 32757573036 41794144908 101002516861 202005033722 303007550583 404010067444 606015101166 1212030202332