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12110112112 = 2471710361751
BaseRepresentation
bin10110100011101000…
…11010010101110000
31011020222022102202211
423101310122111300
5144300142041422
65321401421504
7606046153210
oct132164322560
934228272684
1012110112112
11515492a51a
12241b79a894
1311acc08c17
1482c4c2240
154ad271577
hex2d1d1a570

12110112112 has 80 divisors (see below), whose sum is σ = 28668736512. Its totient is φ = 4837248000.

The previous prime is 12110112109. The next prime is 12110112139. The reversal of 12110112112 is 21121101121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12110112092 and 12110112101.

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, 165237 + ... + 226987.

Almost surely, 212110112112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14334368256).

12110112112 is an abundant number, since it is smaller than the sum of its proper divisors (16558624400).

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

12110112112 is a wasteful number, since it uses less digits than its factorization.

12110112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61886 (or 61880 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12110112112 its reverse (21121101121), we get a palindrome (33231213233).

The spelling of 12110112112 in words is "twelve billion, one hundred ten million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 103 112 119 136 206 238 272 412 476 721 824 952 1442 1648 1751 1904 2884 3502 5768 7004 11536 12257 14008 24514 28016 49028 61751 98056 123502 196112 247004 432257 494008 864514 988016 1049767 1729028 2099534 3458056 4199068 6360353 6916112 7348369 8398136 12720706 14696738 16796272 25441412 29393476 44522471 50882824 58786952 89044942 101765648 108126001 117573904 178089884 216252002 356179768 432504004 712359536 756882007 865008008 1513764014 1730016016 3027528028 6055056056 12110112112