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12111230110100 = 22521199111110201
BaseRepresentation
bin1011000000111101110110…
…0100011000100110010100
31120212211012110011010222212
42300033131210120212110
53041412244402010400
641431453341212552
72360002400235542
oct260173544304624
946784173133885
1012111230110100
11394a386726930
1214372a2561158
1369b1129c4094
142dc2882ccd92
15160093000335
hexb03dd918994

12111230110100 has 72 divisors (see below), whose sum is σ = 28699518279936. Its totient is φ = 4399639200000.

The previous prime is 12111230110093. The next prime is 12111230110151. The reversal of 12111230110100 is 101103211121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4465001 + ... + 6645200.

Almost surely, 212111230110100 is an apocalyptic number.

12111230110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111230110100 is an abundant number, since it is smaller than the sum of its proper divisors (16588288169836).

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

12111230110100 is a wasteful number, since it uses less digits than its factorization.

12111230110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111217 (or 11111210 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12111230110100 its reverse (101103211121), we get a palindrome (12212333321221).

The spelling of 12111230110100 in words is "twelve trillion, one hundred eleven billion, two hundred thirty million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 991 1100 1982 3964 4955 9910 10901 19820 21802 24775 43604 49550 54505 99100 109010 218020 272525 545050 1090100 11110201 22220402 44440804 55551005 111102010 122212211 222204020 244424422 277755025 488848844 555510050 611061055 1111020100 1222122110 2444244220 3055305275 6110610550 11010209191 12221221100 22020418382 44040836764 55051045955 110102091910 121112301101 220204183820 242224602202 275255229775 484449204404 550510459550 605561505505 1101020919100 1211123011010 2422246022020 3027807527525 6055615055050 12111230110100