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12104255212 = 227597327031
BaseRepresentation
bin10110100010111100…
…00100011011101100
31011020120021212121121
423101132010123230
5144242142131322
65321032110324
7605645320540
oct132136043354
934216255547
1012104255212
11515159a105
1224198353a4
1311ab9380ba
1482b7d9a20
154ac9b5ec7
hex2d17846ec

12104255212 has 24 divisors (see below), whose sum is σ = 24618827520. Its totient is φ = 5099612880.

The previous prime is 12104255179. The next prime is 12104255231. The reversal of 12104255212 is 21255240121.

12104255212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3661864 + ... + 3665167.

It is an arithmetic number, because the mean of its divisors is an integer number (1025784480).

Almost surely, 212104255212 is an apocalyptic number.

It is an amenable number.

12104255212 is an abundant number, since it is smaller than the sum of its proper divisors (12514572308).

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

12104255212 is a wasteful number, since it uses less digits than its factorization.

12104255212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327101 (or 7327099 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 12104255212 its reverse (21255240121), we get a palindrome (33359495333).

The spelling of 12104255212 in words is "twelve billion, one hundred four million, two hundred fifty-five thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1652 7327031 14654062 29308124 51289217 102578434 205156868 432294829 864589658 1729179316 3026063803 6052127606 12104255212