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12122203130312 = 2311137752308299
BaseRepresentation
bin1011000001100110101110…
…0111001000100111001000
31120220212112011211022220212
42300121223213020213020
53042102233000132222
641440510243140252
72360541331332242
oct260315347104710
946825464738825
1012122203130312
113953aa7707380
121439445374688
1369c171163352
142dca09779092
151604d65106e2
hexb066b9c89c8

12122203130312 has 16 divisors (see below), whose sum is σ = 24795415494000. Its totient is φ = 5510092331920.

The previous prime is 12122203130269. The next prime is 12122203130321. The reversal of 12122203130312 is 21303130222121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68876154062 + ... + 68876154237.

It is an arithmetic number, because the mean of its divisors is an integer number (1549713468375).

Almost surely, 212122203130312 is an apocalyptic number.

It is an amenable number.

12122203130312 is an abundant number, since it is smaller than the sum of its proper divisors (12673212363688).

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

12122203130312 is a wasteful number, since it uses less digits than its factorization.

12122203130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137752308316 (or 137752308312 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12122203130312 its reverse (21303130222121), we get a palindrome (33425333352433).

The spelling of 12122203130312 in words is "twelve trillion, one hundred twenty-two billion, two hundred three million, one hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 137752308299 275504616598 551009233196 1102018466392 1515275391289 3030550782578 6061101565156 12122203130312