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12100011210 = 2325737519091
BaseRepresentation
bin10110100010011011…
…11000010011001010
31011020021022020221100
423101031320103022
5144240100324320
65320401122230
7605564253420
oct132115702312
934207266840
1012100011210
11514a160571
122418329376
1311aaab0461
1482b013110
154ac428790
hex2d13784ca

12100011210 has 96 divisors (see below), whose sum is σ = 36926128512. Its totient is φ = 2690962560.

The previous prime is 12100011181. The next prime is 12100011263. The reversal of 12100011210 is 1211000121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12100011192 and 12100011201.

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, 236236 + ... + 282855.

It is an arithmetic number, because the mean of its divisors is an integer number (384647172).

Almost surely, 212100011210 is an apocalyptic number.

12100011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100011210 is an abundant number, since it is smaller than the sum of its proper divisors (24826117302).

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

12100011210 is a wasteful number, since it uses less digits than its factorization.

12100011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519148 (or 519145 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12100011210 its reverse (1211000121), we get a palindrome (13311011331).

The spelling of 12100011210 in words is "twelve billion, one hundred million, eleven thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 37 42 45 63 70 74 90 105 111 126 185 210 222 259 315 333 370 518 555 630 666 777 1110 1295 1554 1665 2331 2590 3330 3885 4662 7770 11655 23310 519091 1038182 1557273 2595455 3114546 3633637 4671819 5190910 7267274 7786365 9343638 10900911 15572730 18168185 19206367 21801822 23359095 32702733 36336370 38412734 46718190 54504555 57619101 65405466 96031835 109009110 115238202 134444569 163513665 172857303 192063670 268889138 288095505 327027330 345714606 403333707 576191010 672222845 806667414 864286515 1210001121 1344445690 1728573030 2016668535 2420002242 4033337070 6050005605 12100011210