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12102100010 = 25711137271663
BaseRepresentation
bin10110100010101011…
…10110010000101010
31011020102020101020022
423101111312100222
5144241114200020
65320514000442
7605621103260
oct132125662052
934212211208
1012102100010
115150357950
122418b76122
1311ab362130
1482b3d8430
154ac6dc625
hex2d157642a

12102100010 has 128 divisors (see below), whose sum is σ = 29305995264. Its totient is φ = 3475042560.

The previous prime is 12102100009. The next prime is 12102100037. The reversal of 12102100010 is 1000120121.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7276439 + ... + 7278101.

It is an arithmetic number, because the mean of its divisors is an integer number (228953088).

Almost surely, 212102100010 is an apocalyptic number.

12102100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102100010 is an abundant number, since it is smaller than the sum of its proper divisors (17203895254).

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

12102100010 is a wasteful number, since it uses less digits than its factorization.

12102100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12102100010 its reverse (1000120121), we get a palindrome (13102220131).

The spelling of 12102100010 in words is "twelve billion, one hundred two million, one hundred thousand, ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 727 770 910 1001 1430 1454 1663 2002 3326 3635 5005 5089 7270 7997 8315 9451 10010 10178 11641 15994 16630 18293 18902 21619 23282 25445 36586 39985 43238 47255 50890 55979 58205 66157 79970 91465 94510 103961 108095 111958 116410 128051 132314 151333 182930 207922 216190 237809 256102 279895 302666 330785 475618 519805 559790 640255 661570 727727 756665 1039610 1189045 1209001 1280510 1455454 1513330 1664663 2378090 2418002 3329326 3638635 6045005 7277270 8323315 8463007 12090010 13299011 15717013 16646630 16926014 26598022 31434026 42315035 66495055 78585065 84630070 93093077 110019091 132990110 157170130 172887143 186186154 220038182 345774286 465465385 550095455 864435715 930930770 1100190910 1210210001 1728871430 2420420002 6051050005 12102100010