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12311130200 = 235271212211
BaseRepresentation
bin10110111011100110…
…01111000001011000
31011202222120012202012
423131303033001120
5200203122131300
65353342125052
7614036610605
oct133563170130
934688505665
1012311130200
115248348376
122476b80788
13121275b735
1484b08b6ac
154c0c2c435
hex2ddccf058

12311130200 has 72 divisors (see below), whose sum is σ = 29034579540. Its totient is φ = 4854696000.

The previous prime is 12311130173. The next prime is 12311130211. The reversal of 12311130200 is 203111321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1002095 + ... + 1014305.

Almost surely, 212311130200 is an apocalyptic number.

12311130200 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 12311130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14517289770).

12311130200 is an abundant number, since it is smaller than the sum of its proper divisors (16723449340).

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

12311130200 is a wasteful number, since it uses less digits than its factorization.

12311130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12369 (or 12289 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12311130200 its reverse (203111321), we get a palindrome (12514241521).

The spelling of 12311130200 in words is "twelve billion, three hundred eleven million, one hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 71 100 142 200 284 355 568 710 1420 1775 2840 3550 5041 7100 10082 12211 14200 20164 24422 25205 40328 48844 50410 61055 97688 100820 122110 126025 201640 244220 252050 305275 488440 504100 610550 866981 1008200 1221100 1733962 2442200 3467924 4334905 6935848 8669810 17339620 21674525 34679240 43349050 61555651 86698100 123111302 173396200 246222604 307778255 492445208 615556510 1231113020 1538891275 2462226040 3077782550 6155565100 12311130200