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12100132100 = 2252723809929
BaseRepresentation
bin10110100010011100…
…10101110100000100
31011020021112101202202
423101032111310010
5144240113211400
65320403454032
7605565266030
oct132116256404
934207471682
1012100132100
11514a233381
122418387318
1311aab234a4
1482b0451c0
154ac44e4d5
hex2d1395d04

12100132100 has 144 divisors (see below), whose sum is σ = 31385491200. Its totient is φ = 3959070720.

The previous prime is 12100132069. The next prime is 12100132111. The reversal of 12100132100 is 123100121.

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, 13024436 + ... + 13025364.

It is an arithmetic number, because the mean of its divisors is an integer number (217954800).

Almost surely, 212100132100 is an apocalyptic number.

12100132100 is a gapful number since it is divisible by the number (10) 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 12100132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15692745600).

12100132100 is an abundant number, since it is smaller than the sum of its proper divisors (19285359100).

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

12100132100 is a wasteful number, since it uses less digits than its factorization.

12100132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12100132100 its reverse (123100121), we get a palindrome (12223232221).

The spelling of 12100132100 in words is "twelve billion, one hundred million, one hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 23 25 28 35 46 50 70 92 100 115 140 161 175 230 322 350 460 575 644 700 805 809 929 1150 1610 1618 1858 2300 3220 3236 3716 4025 4045 4645 5663 6503 8050 8090 9290 11326 13006 16100 16180 18580 18607 20225 21367 22652 23225 26012 28315 32515 37214 40450 42734 46450 56630 65030 74428 80900 85468 92900 93035 106835 113260 130060 130249 141575 149569 162575 186070 213670 260498 283150 299138 325150 372140 427340 465175 520996 534175 566300 598276 650300 651245 747845 751561 930350 1068350 1302490 1495690 1503122 1860700 2136700 2604980 2991380 3006244 3256225 3739225 3757805 5260927 6512450 7478450 7515610 10521854 13024900 14956900 15031220 17285903 18789025 21043708 26304635 34571806 37578050 52609270 69143612 75156100 86429515 105218540 121001321 131523175 172859030 242002642 263046350 345718060 432147575 484005284 526092700 605006605 864295150 1210013210 1728590300 2420026420 3025033025 6050066050 12100132100