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212111424111212 = 221910130790919901
BaseRepresentation
bin110000001110101000001010…
…000101100100001001101100
31000211000122122211211111001122
4300032220022011210021230
5210300213144033024322
62031042350521000112
762451354552544313
oct6016501205441154
91024018584744048
10212111424111212
1161648a4a1a507a
121b958746923038
139148038219902
143a543679b327a
15197c789111442
hexc0ea0a16426c

212111424111212 has 96 divisors (see below), whose sum is σ = 395969078588160. Its totient is φ = 99134085600000.

The previous prime is 212111424111211. The next prime is 212111424111233.

212111424111212 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (212111424111211) 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, 21423227462 + ... + 21423237362.

It is an arithmetic number, because the mean of its divisors is an integer number (4124677901960).

Almost surely, 2212111424111212 is an apocalyptic number.

It is an amenable number.

212111424111212 is a deficient number, since it is larger than the sum of its proper divisors (183857654476948).

212111424111212 is a wasteful number, since it uses less digits than its factorization.

212111424111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19423 (or 19421 counting only the distinct ones).

The product of its digits is 512, while the sum is 26.

The spelling of 212111424111212 in words is "two hundred twelve trillion, one hundred eleven billion, four hundred twenty-four million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 101 202 307 404 614 1228 1919 3838 5833 7676 9091 9901 11666 18182 19802 23332 31007 36364 39604 62014 124028 172729 188119 345458 376238 589133 690916 752476 918191 1000001 1178266 1836382 2000002 2356532 2790937 3039607 3672764 4000004 5581874 6079214 11163748 12158428 17445629 19000019 34891258 38000038 53027803 57752533 69782516 76000076 90009991 106055606 115505066 180019982 212111212 231010132 281884637 307000307 360039964 563769274 614000614 1127538548 1228001228 1710189829 3420379658 5355808103 5833005833 6840759316 9091009091 10711616206 11666011666 18182018182 21423232412 23332023332 27633067237 36364036364 55266134474 110532268948 172729172729 345458345458 525028277503 690916690916 1050056555006 2100113110012 2790939790937 5581879581874 11163759163748 53027856027803 106055712055606 212111424111212