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12220201112 = 2371271718251
BaseRepresentation
bin10110110000110000…
…10111100010011000
31011112122110112111012
423120120113202120
5200011332413422
65340333153052
7611553665330
oct133030274230
934478415435
1012220201112
115200a91a69
12245062b788
1311c9972942
1483cd7c0c0
154b7c6a4e2
hex2d8617898

12220201112 has 32 divisors (see below), whose sum is σ = 26392350720. Its totient is φ = 5195988000.

The previous prime is 12220201099. The next prime is 12220201121. The reversal of 12220201112 is 21110202221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852014 + ... + 866237.

It is an arithmetic number, because the mean of its divisors is an integer number (824760960).

Almost surely, 212220201112 is an apocalyptic number.

It is an amenable number.

12220201112 is an abundant number, since it is smaller than the sum of its proper divisors (14172149608).

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

12220201112 is a wasteful number, since it uses less digits than its factorization.

12220201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718391 (or 1718387 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220201112 its reverse (21110202221), we get a palindrome (33330403333).

The spelling of 12220201112 in words is "twelve billion, two hundred twenty million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 127 254 508 889 1016 1778 3556 7112 1718251 3436502 6873004 12027757 13746008 24055514 48111028 96222056 218217877 436435754 872871508 1527525139 1745743016 3055050278 6110100556 12220201112