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12102302031210 = 2325466328837663
BaseRepresentation
bin1011000000011100100101…
…1010011101110101101010
31120211222011020101202012100
42300013021122131311222
53041241003304444320
641423415405354230
72356235216642166
oct260071132356552
946758136352170
1012102302031210
113946614a99036
121435610568976
1369a31c105b71
142dba7c679ca6
1515ec1e2cd790
hexb01c969dd6a

12102302031210 has 48 divisors (see below), whose sum is σ = 31472734385664. Its totient is φ = 3226588325856.

The previous prime is 12102302031203. The next prime is 12102302031229. The reversal of 12102302031210 is 1213020320121.

12102302031210 is a `hidden beast` number, since 1 + 21 + 0 + 230 + 203 + 1 + 210 = 666.

12102302031210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon 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, 13999162 + ... + 14838501.

It is an arithmetic number, because the mean of its divisors is an integer number (655681966368).

Almost surely, 212102302031210 is an apocalyptic number.

12102302031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102302031210 is an abundant number, since it is smaller than the sum of its proper divisors (19370432354454).

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

12102302031210 is a wasteful number, since it uses less digits than its factorization.

12102302031210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28842339 (or 28842336 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12102302031210 its reverse (1213020320121), we get a palindrome (13315322351331).

The spelling of 12102302031210 in words is "twelve trillion, one hundred two billion, three hundred two million, thirty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4663 9326 13989 23315 27978 41967 46630 69945 83934 139890 209835 419670 28837663 57675326 86512989 144188315 173025978 259538967 288376630 432564945 519077934 865129890 1297694835 2595389670 134470022569 268940045138 403410067707 672350112845 806820135414 1210230203121 1344700225690 2017050338535 2420460406242 4034100677070 6051151015605 12102302031210