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12221010112010 = 257875319945831
BaseRepresentation
bin1011000111010110110011…
…1101110110111000001010
31121021022120012121001201112
42301311230331312320022
53100212112042041020
641554130551450322
72400640010661260
oct261655475667012
947238505531645
1012221010112010
1139919a0675137
12145461b6869a2
136a85897543ab
143037001a6430
15162d6ab3d2c5
hexb1d6cf76e0a

12221010112010 has 32 divisors (see below), whose sum is σ = 25143237119232. Its totient is φ = 4189581699840.

The previous prime is 12221010111977. The next prime is 12221010112061. The reversal of 12221010112010 is 1021101012221.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 9360206 + ... + 10585625.

It is an arithmetic number, because the mean of its divisors is an integer number (785726159976).

Almost surely, 212221010112010 is an apocalyptic number.

12221010112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221010112010 is an abundant number, since it is smaller than the sum of its proper divisors (12922227007222).

12221010112010 is a wasteful number, since it uses less digits than its factorization.

12221010112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19954598.

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

Adding to 12221010112010 its reverse (1021101012221), we get a palindrome (13242111124231).

The spelling of 12221010112010 in words is "twelve trillion, two hundred twenty-one billion, ten million, one hundred twelve thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 8753 17506 43765 61271 87530 122542 306355 612710 19945831 39891662 99729155 139620817 199458310 279241634 698104085 1396208170 174585858743 349171717486 872929293715 1222101011201 1745858587430 2444202022402 6110505056005 12221010112010