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12100012112 = 2422311872857
BaseRepresentation
bin10110100010011011…
…11000100001010000
31011020021022022011202
423101031320201100
5144240100341422
65320401130332
7605564256146
oct132115704120
934207268152
1012100012112
11514a161211
1224183299a8
1311aaab09a6
1482b013596
154ac428b92
hex2d1378850

12100012112 has 40 divisors (see below), whose sum is σ = 23576990976. Its totient is φ = 6015695616.

The previous prime is 12100012103. The next prime is 12100012129. The reversal of 12100012112 is 21121000121.

Adding to 12100012112 its reverse (21121000121), we get a palindrome (33221012233).

It is a super-2 number, since 2×121000121122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12100012093 and 12100012102.

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, 4233788 + ... + 4236644.

Almost surely, 212100012112 is an apocalyptic number.

It is an amenable number.

12100012112 is a deficient number, since it is larger than the sum of its proper divisors (11476978864).

12100012112 is a wasteful number, since it uses less digits than its factorization.

12100012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275 (or 4269 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The spelling of 12100012112 in words is "twelve billion, one hundred million, twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 223 446 892 1187 1784 2374 2857 3568 4748 5714 9496 11428 18992 22856 45712 264701 529402 637111 1058804 1274222 2117608 2548444 3391259 4235216 5096888 6782518 10193776 13565036 27130072 54260144 756250757 1512501514 3025003028 6050006056 12100012112