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12120100210 = 252973797247
BaseRepresentation
bin10110100100110101…
…00000110101110010
31011021200002212212101
423102122200311302
5144310221201320
65322355451014
7606230103061
oct132232406562
934250085771
1012120100210
11515a531749
122422bb6a6a
1311b1cc523a
1482d9621d8
154ae095c0a
hex2d26a0d72

12120100210 has 64 divisors (see below), whose sum is σ = 23170406400. Its totient is φ = 4557676032.

The previous prime is 12120100183. The next prime is 12120100319. The reversal of 12120100210 is 1200102121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668807 + ... + 1676053.

It is an arithmetic number, because the mean of its divisors is an integer number (362037600).

Almost surely, 212120100210 is an apocalyptic number.

12120100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120100210 is a deficient number, since it is larger than the sum of its proper divisors (11050306190).

12120100210 is a wasteful number, since it uses less digits than its factorization.

12120100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7435.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12120100210 its reverse (1200102121), we get a palindrome (13320202331).

The spelling of 12120100210 in words is "twelve billion, one hundred twenty million, one hundred thousand, two hundred ten".

Divisors: 1 2 5 10 29 58 73 79 145 146 158 290 365 395 730 790 2117 2291 4234 4582 5767 7247 10585 11455 11534 14494 21170 22910 28835 36235 57670 72470 167243 210163 334486 420326 529031 572513 836215 1050815 1058062 1145026 1672430 2101630 2645155 2862565 5290310 5725130 15341899 16602877 30683798 33205754 41793449 76709495 83014385 83586898 153418990 166028770 208967245 417934490 1212010021 2424020042 6060050105 12120100210