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12210003012 = 22311312770901
BaseRepresentation
bin10110101111100010…
…11101110001000100
31011111221021102022210
423113301131301010
5200001230044022
65335330423420
7611401212264
oct132761356104
934457242283
1012210003012
1151a6256a89
122449131b70
1311c7811b6c
1483b8857a4
154b6e03a0c
hex2d7c5dc44

12210003012 has 48 divisors (see below), whose sum is σ = 28968855552. Its totient is φ = 4002163200.

The previous prime is 12210002999. The next prime is 12210003049. The reversal of 12210003012 is 21030001221.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 136762 + ... + 207662.

It is an arithmetic number, because the mean of its divisors is an integer number (603517824).

Almost surely, 212210003012 is an apocalyptic number.

12210003012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210003012 is an abundant number, since it is smaller than the sum of its proper divisors (16758852540).

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

12210003012 is a wasteful number, since it uses less digits than its factorization.

12210003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71148 (or 71146 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12210003012 its reverse (21030001221), we get a palindrome (33240004233).

The spelling of 12210003012 in words is "twelve billion, two hundred ten million, three thousand, twelve".

Divisors: 1 2 3 4 6 12 113 127 226 254 339 381 452 508 678 762 1356 1524 14351 28702 43053 57404 70901 86106 141802 172212 212703 283604 425406 850812 8011813 9004427 16023626 18008854 24035439 27013281 32047252 36017708 48070878 54026562 96141756 108053124 1017500251 2035000502 3052500753 4070001004 6105001506 12210003012