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12022110212 = 227323380977
BaseRepresentation
bin10110011001001001…
…01101100000000100
31011000211201110212012
423030210231200010
5144110130011322
65304535313352
7603630152000
oct131444554004
934024643765
1012022110212
11510a193382
1223b621b858
1311979065a8
14820935700
154a568bae2
hex2cc92d804

12022110212 has 48 divisors (see below), whose sum is σ = 25601721600. Its totient is φ = 4928305536.

The previous prime is 12022110203. The next prime is 12022110239. The reversal of 12022110212 is 21201122021.

It is a super-2 number, since 2×120221102122 (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158933 + ... + 222044.

It is an arithmetic number, because the mean of its divisors is an integer number (533369200).

Almost surely, 212022110212 is an apocalyptic number.

It is an amenable number.

12022110212 is an abundant number, since it is smaller than the sum of its proper divisors (13579611388).

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

12022110212 is a wasteful number, since it uses less digits than its factorization.

12022110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381025 (or 381009 counting only the distinct ones).

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

Adding to 12022110212 its reverse (21201122021), we get a palindrome (33223232233).

The spelling of 12022110212 in words is "twelve billion, twenty-two million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 7 14 23 28 46 49 92 98 161 196 322 343 644 686 1127 1372 2254 4508 7889 15778 31556 380977 761954 1523908 2666839 5333678 8762471 10667356 17524942 18667873 35049884 37335746 61337297 74671492 122674594 130675111 245349188 261350222 429361079 522700444 858722158 1717444316 3005527553 6011055106 12022110212