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12102230230 = 252578835333
BaseRepresentation
bin10110100010101100…
…10110000011010110
31011020102110222212021
423101112112003112
5144241132331410
65320520443354
7605622155026
oct132126260326
934212428767
1012102230230
115150436772
12241901955a
1311ab3a949c
1482b42da86
154ac715eda
hex2d15960d6

12102230230 has 32 divisors (see below), whose sum is σ = 21897648864. Its totient is φ = 4815691776.

The previous prime is 12102230221. The next prime is 12102230263. The reversal of 12102230230 is 3203220121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2266644 + ... + 2271976.

It is an arithmetic number, because the mean of its divisors is an integer number (684301527).

Almost surely, 212102230230 is an apocalyptic number.

12102230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102230230 is a deficient number, since it is larger than the sum of its proper divisors (9795418634).

12102230230 is a wasteful number, since it uses less digits than its factorization.

12102230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12102230230 its reverse (3203220121), we get a palindrome (15305450351).

The spelling of 12102230230 in words is "twelve billion, one hundred two million, two hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 257 514 883 1285 1766 2570 4415 5333 8830 10666 26665 53330 226931 453862 1134655 1370581 2269310 2741162 4709039 6852905 9418078 13705810 23545195 47090390 1210223023 2420446046 6051115115 12102230230