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12021012201110 = 25111938914785811
BaseRepresentation
bin1010111011101101110000…
…1010010111111010010110
31120120012100000020111221012
42232323130022113322112
53033423013110413420
641322213214252222
72350326613535033
oct256733412277226
946505300214835
1012021012201110
1139150a0000570
1214219047b7072
136927659b7093
142d7b6a4aa38a
1515ca6297cdc5
hexaeedc297e96

12021012201110 has 64 divisors (see below), whose sum is σ = 24911136057600. Its totient is φ = 4130563881600.

The previous prime is 12021012201097. The next prime is 12021012201113. The reversal of 12021012201110 is 1110221012021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021012201113) 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, 6579896 + ... + 8205915.

It is an arithmetic number, because the mean of its divisors is an integer number (389236500900).

Almost surely, 212021012201110 is an apocalyptic number.

12021012201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021012201110 is an abundant number, since it is smaller than the sum of its proper divisors (12890123856490).

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

12021012201110 is a wasteful number, since it uses less digits than its factorization.

12021012201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14786237.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021012201110 its reverse (1110221012021), we get a palindrome (13131233213131).

The spelling of 12021012201110 in words is "twelve trillion, twenty-one billion, twelve million, two hundred one thousand, one hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 389 418 778 1045 1945 2090 3890 4279 7391 8558 14782 21395 36955 42790 73910 81301 162602 406505 813010 14785811 29571622 73929055 147858110 162643921 280930409 325287842 561860818 813219605 1404652045 1626439210 2809304090 3090234499 5751680479 6180468998 11503360958 15451172495 28758402395 30902344990 57516804790 63268485269 109281929101 126536970538 218563858202 316342426345 546409645505 632684852690 1092819291010 1202101220111 2404202440222 6010506100555 12021012201110