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12018573121210 = 2511379371340041
BaseRepresentation
bin1010111011100100101011…
…0010000001011010111010
31120112222001000200102022121
42232321022302001122322
53033403014204334320
641321131204311454
72350212305644645
oct256711262013272
946488030612277
1012018573121210
113914059226757
1214213439a258a
13692467597636
142d79b8596a5c
1515c96d7878aa
hexaee4ac816ba

12018573121210 has 32 divisors (see below), whose sum is σ = 21827643968592. Its totient is φ = 4764281733120.

The previous prime is 12018573121193. The next prime is 12018573121213. The reversal of 12018573121210 is 1212137581021.

12018573121210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2599830535201 + 9418742586009 = 1612399^2 + 3068997^2 .

It is not an unprimeable number, because it can be changed into a prime (12018573121213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8298790 + ... + 9638830.

Almost surely, 212018573121210 is an apocalyptic number.

12018573121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12018573121210 is a deficient number, since it is larger than the sum of its proper divisors (9809070847382).

12018573121210 is a wasteful number, since it uses less digits than its factorization.

12018573121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348098.

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 12018573121210 in words is "twelve trillion, eighteen billion, five hundred seventy-three million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 113 226 565 1130 7937 15874 39685 79370 896881 1340041 1793762 2680082 4484405 6700205 8968810 13400410 151424633 302849266 757123165 1514246330 10635905417 21271810834 53179527085 106359054170 1201857312121 2403714624242 6009286560605 12018573121210