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12130230112 = 2571113378691
BaseRepresentation
bin10110100110000010…
…01001111101100000
31011022101011112110221
423103001021331200
5144320314330422
65323400532424
7606412153240
oct132301117540
934271145427
1012130230112
115165220470
122426481114
1311b4130c70
1483103bb20
154aede73c7
hex2d3049f60

12130230112 has 96 divisors (see below), whose sum is σ = 32064609024. Its totient is φ = 4362508800.

The previous prime is 12130230103. The next prime is 12130230127. The reversal of 12130230112 is 21103203121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157314 + ... + 221377.

It is an arithmetic number, because the mean of its divisors is an integer number (334006344).

Almost surely, 212130230112 is an apocalyptic number.

It is an amenable number.

12130230112 is an abundant number, since it is smaller than the sum of its proper divisors (19934378912).

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

12130230112 is a wasteful number, since it uses less digits than its factorization.

12130230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378732 (or 378724 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12130230112 its reverse (21103203121), we get a palindrome (33233433233).

It can be divided in two parts, 12130 and 230112, that added together give a palindrome (242242).

The spelling of 12130230112 in words is "twelve billion, one hundred thirty million, two hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 11 13 14 16 22 26 28 32 44 52 56 77 88 91 104 112 143 154 176 182 208 224 286 308 352 364 416 572 616 728 1001 1144 1232 1456 2002 2288 2464 2912 4004 4576 8008 16016 32032 378691 757382 1514764 2650837 3029528 4165601 4922983 5301674 6059056 8331202 9845966 10603348 12118112 16662404 19691932 21206696 29159207 33324808 34460881 39383864 42413392 54152813 58318414 66649616 68921762 78767728 84826784 108305626 116636828 133299232 137843524 157535456 216611252 233273656 275687048 379069691 433222504 466547312 551374096 758139382 866445008 933094624 1102748192 1516278764 1732890016 3032557528 6065115056 12130230112