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12313332220212 = 223223129171151287
BaseRepresentation
bin1011001100101110101111…
…0010110000000100110100
31121121010212021221002110100
42303023223302300010310
53103220201022021322
642104400002554100
72410415564645502
oct263135362600464
947533767832410
1012313332220212
113a18067037511
12146a4a6068930
136b41b068c69a
14307d7b649672
15165470ca6dac
hexb32ebcb0134

12313332220212 has 72 divisors (see below), whose sum is σ = 32481187030656. Its totient is φ = 3925682633664.

The previous prime is 12313332220183. The next prime is 12313332220249. The reversal of 12313332220212 is 21202223331321.

12313332220212 is a `hidden beast` number, since 1 + 2 + 3 + 133 + 322 + 202 + 1 + 2 = 666.

It is a super-2 number, since 2×123133322202122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10119633 + ... + 11270919.

It is an arithmetic number, because the mean of its divisors is an integer number (451127597648).

Almost surely, 212313332220212 is an apocalyptic number.

12313332220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12313332220212 is an abundant number, since it is smaller than the sum of its proper divisors (20167854810444).

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

12313332220212 is a wasteful number, since it uses less digits than its factorization.

12313332220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164237 (or 1164232 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12313332220212 its reverse (21202223331321), we get a palindrome (33515555551533).

The spelling of 12313332220212 in words is "twelve trillion, three hundred thirteen billion, three hundred thirty-two million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 12917 25834 38751 51668 77502 116253 155004 232506 297091 465012 594182 891273 1151287 1188364 1782546 2302574 2673819 3453861 3565092 4605148 5347638 6907722 10361583 10695276 13815444 20723166 26479601 41446332 52959202 79438803 105918404 158877606 238316409 317755212 476632818 953265636 14871174179 29742348358 44613522537 59484696716 89227045074 133840567611 178454090148 267681135222 342037006117 535362270444 684074012234 1026111018351 1368148024468 2052222036702 3078333055053 4104444073404 6156666110106 12313332220212