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12100210110 = 234514938531
BaseRepresentation
bin10110100010011101…
…01000110110111110
31011020021200100210000
423101032220312332
5144240123210420
65320405255130
7605566042332
oct132116506676
934207610700
1012100210110
11514a286a4a
1224184044a6
1311aab4cb51
1482b0657c2
154ac467690
hex2d13a8dbe

12100210110 has 40 divisors (see below), whose sum is σ = 32536122696. Its totient is φ = 3226722480.

The previous prime is 12100210099. The next prime is 12100210123. The reversal of 12100210110 is 1101200121.

It is a happy number.

It is a super-2 number, since 2×121002101102 (a number of 21 digits) contains 22 as substring.

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 = 12100210092 and 12100210101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7468456 + ... + 7470075.

Almost surely, 212100210110 is an apocalyptic number.

12100210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100210110 is an abundant number, since it is smaller than the sum of its proper divisors (20435912586).

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

12100210110 is a wasteful number, since it uses less digits than its factorization.

12100210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938550 (or 14938541 counting only the distinct ones).

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

Adding to 12100210110 its reverse (1101200121), we get a palindrome (13201410231).

The spelling of 12100210110 in words is "twelve billion, one hundred million, two hundred ten thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 14938531 29877062 44815593 74692655 89631186 134446779 149385310 224077965 268893558 403340337 448155930 672233895 806680674 1210021011 1344467790 2016701685 2420042022 4033403370 6050105055 12100210110