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12100100110 = 2573129319031
BaseRepresentation
bin10110100010011100…
…01110000000001110
31011020021110202212221
423101032032000032
5144240111200420
65320403045554
7605565103540
oct132116160016
934207422787
1012100100110
11514a21133a
1224183708ba
1311aab11a67
1482b037690
154ac444caa
hex2d138e00e

12100100110 has 64 divisors (see below), whose sum is σ = 25783640064. Its totient is φ = 4000867200.

The previous prime is 12100100101. The next prime is 12100100147. The reversal of 12100100110 is 1100100121.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 12100100093 and 12100100102.

It is a congruent number.

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, 626295 + ... + 645325.

It is an arithmetic number, because the mean of its divisors is an integer number (402869376).

Almost surely, 212100100110 is an apocalyptic number.

12100100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100100110 is an abundant number, since it is smaller than the sum of its proper divisors (13683539954).

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

12100100110 is a wasteful number, since it uses less digits than its factorization.

12100100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19369.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 12100100110 its reverse (1100100121), we get a palindrome (13200200231).

The spelling of 12100100110 in words is "twelve billion, one hundred million, one hundred thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 293 310 434 586 1085 1465 2051 2170 2930 4102 9083 10255 18166 19031 20510 38062 45415 63581 90830 95155 127162 133217 190310 266434 317905 589961 635810 666085 1179922 1332170 2949805 4129727 5576083 5899610 8259454 11152166 20648635 27880415 39032581 41297270 55760830 78065162 172858573 195162905 345717146 390325810 864292865 1210010011 1728585730 2420020022 6050050055 12100100110