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12123211402010 = 252276403783399
BaseRepresentation
bin1011000001101010011110…
…1101011000101100011010
31120220222010110001211200002
42300122213231120230122
53042111314104331020
641441154302013002
72360605323444002
oct260324755305432
946828113054602
1012123211402010
11395447486a875
121439686b77162
1369c2a2008517
142dcaa363b002
15160544cc7975
hexb06a7b58b1a

12123211402010 has 32 divisors (see below), whose sum is σ = 21918516796800. Its totient is φ = 4827788792512.

The previous prime is 12123211402009. The next prime is 12123211402031. The reversal of 12123211402010 is 1020411232121.

12123211402010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 145322291 + ... + 145405689.

It is an arithmetic number, because the mean of its divisors is an integer number (684953649900).

Almost surely, 212123211402010 is an apocalyptic number.

12123211402010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123211402010 is a deficient number, since it is larger than the sum of its proper divisors (9795305394790).

12123211402010 is a wasteful number, since it uses less digits than its factorization.

12123211402010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147670.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12123211402010 its reverse (1020411232121), we get a palindrome (13143622634131).

The spelling of 12123211402010 in words is "twelve trillion, one hundred twenty-three billion, two hundred eleven million, four hundred two thousand, ten".

Divisors: 1 2 5 10 227 454 1135 2270 64037 83399 128074 166798 320185 416995 640370 833990 14536399 18931573 29072798 37863146 72681995 94657865 145363990 189315730 5340621763 10681243526 26703108815 53406217630 1212321140201 2424642280402 6061605701005 12123211402010