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12214420204 = 22723191199499
BaseRepresentation
bin10110110000000100…
…10100001011101100
31011112020120211120111
423120002110023230
5200003342421304
65340005225404
7611453600350
oct133002241354
934466524514
1012214420204
1151a87a3758
12244a702264
1311c86ca59c
1483c2b5460
154b74c7704
hex2d80942ec

12214420204 has 96 divisors (see below), whose sum is σ = 25804800000. Its totient is φ = 4945976640.

The previous prime is 12214420171. The next prime is 12214420241. The reversal of 12214420204 is 40202441221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24477547 + ... + 24478045.

It is an arithmetic number, because the mean of its divisors is an integer number (268800000).

Almost surely, 212214420204 is an apocalyptic number.

12214420204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12214420204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12902400000).

12214420204 is an abundant number, since it is smaller than the sum of its proper divisors (13590379796).

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

12214420204 is a wasteful number, since it uses less digits than its factorization.

12214420204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12214420204 its reverse (40202441221), we get a palindrome (52416861425).

The spelling of 12214420204 in words is "twelve billion, two hundred fourteen million, four hundred twenty thousand, two hundred four".

Divisors: 1 2 4 7 14 23 28 46 92 161 191 199 322 382 398 499 644 764 796 998 1337 1393 1996 2674 2786 3493 4393 4577 5348 5572 6986 8786 9154 11477 13972 17572 18308 22954 30751 32039 38009 45908 61502 64078 76018 80339 95309 99301 123004 128156 152036 160678 190618 198602 266063 321356 381236 397204 532126 667163 695107 874207 1064252 1334326 1390214 1748414 2192107 2283923 2668652 2780428 3496828 4384214 4567846 6119449 8768428 9135692 12238898 15344749 15987461 18966491 24477796 30689498 31974922 37932982 61378996 63949844 75865964 132765437 265530874 436229293 531061748 872458586 1744917172 3053605051 6107210102 12214420204