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12022030230 = 2357562310181
BaseRepresentation
bin10110011001001000…
…11001111110010110
31011000211120102010220
423030210121332112
5144110114431410
65304533455210
7603626366550
oct131444317626
934024512126
1012022030230
11510a139281
1223b61a1506
1311978a9072
148209144d0
154a5673070
hex2cc919f96

12022030230 has 64 divisors (see below), whose sum is σ = 32983815168. Its totient is φ = 2747134080.

The previous prime is 12022030217. The next prime is 12022030231. The reversal of 12022030230 is 3203022021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022030231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175740 + ... + 1185920.

It is an arithmetic number, because the mean of its divisors is an integer number (515372112).

Almost surely, 212022030230 is an apocalyptic number.

12022030230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12022030230 is an abundant number, since it is smaller than the sum of its proper divisors (20961784938).

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

12022030230 is a wasteful number, since it uses less digits than its factorization.

12022030230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15821.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12022030230 its reverse (3203022021), we get a palindrome (15225052251).

The spelling of 12022030230 in words is "twelve billion, twenty-two million, thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 5623 10181 11246 16869 20362 28115 30543 33738 39361 50905 56230 61086 71267 78722 84345 101810 118083 142534 152715 168690 196805 213801 236166 305430 356335 393610 427602 590415 712670 1069005 1180830 2138010 57247763 114495526 171743289 286238815 343486578 400734341 572477630 801468682 858716445 1202203023 1717432890 2003671705 2404406046 4007343410 6011015115 12022030230