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12143104012 = 2213172331129
BaseRepresentation
bin10110100111100100…
…10001000000001100
31011100021101121011001
423103302101000030
5144332113312022
65324540510044
7606626452414
oct132362210014
934307347131
1012143104012
115171513856
12242a84b324
1311b69ba960
14832a2d644
154b10dbb27
hex2d3c9100c

12143104012 has 96 divisors (see below), whose sum is σ = 25355030400. Its totient is φ = 5041022976.

The previous prime is 12143104009. The next prime is 12143104027. The reversal of 12143104012 is 21040134121.

It is a super-2 number, since 2×121431040122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10755064 + ... + 10756192.

It is an arithmetic number, because the mean of its divisors is an integer number (264114900).

Almost surely, 212143104012 is an apocalyptic number.

It is an amenable number.

12143104012 is an abundant number, since it is smaller than the sum of its proper divisors (13211926388).

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

12143104012 is a wasteful number, since it uses less digits than its factorization.

12143104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12143104012 its reverse (21040134121), we get a palindrome (33183238133).

The spelling of 12143104012 in words is "twelve billion, one hundred forty-three million, one hundred four thousand, twelve".

Divisors: 1 2 4 13 17 23 26 34 46 52 68 92 221 299 391 442 529 598 782 884 1058 1129 1196 1564 2116 2258 4516 5083 6877 8993 10166 12167 13754 14677 17986 19193 20332 24334 25967 27508 29354 35972 38386 48668 51934 58708 76772 103868 116909 158171 206839 233818 249509 316342 337571 413678 441439 467636 499018 597241 632684 675142 827356 882878 998036 1194482 1350284 1765756 2388964 2688907 5377814 5738707 7764133 10153097 10755628 11477414 13736543 15528266 20306194 22954828 27473086 31056532 40612388 54946172 131990261 178575059 233521231 263980522 357150118 467042462 527961044 714300236 934084924 3035776003 6071552006 12143104012