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12322310220 = 22335112074463
BaseRepresentation
bin10110111100111011…
…11000100001001100
31011210202121012212000
423132131320201030
5200214002411340
65354421512300
7614233623453
oct133635704114
934722535760
1012322310220
115253694060
12247a872690
131214b7442c
1484c75bb9a
154c1bd9d30
hex2de77884c

12322310220 has 96 divisors (see below), whose sum is σ = 41821194240. Its totient is φ = 2987225280.

The previous prime is 12322310219. The next prime is 12322310239. The reversal of 12322310220 is 2201322321.

12322310220 is a `hidden beast` number, since 12 + 322 + 310 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12322310193 and 12322310202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031292 + ... + 1043171.

It is an arithmetic number, because the mean of its divisors is an integer number (435637440).

Almost surely, 212322310220 is an apocalyptic number.

12322310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322310220 is an abundant number, since it is smaller than the sum of its proper divisors (29498884020).

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

12322310220 is a wasteful number, since it uses less digits than its factorization.

12322310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074492 (or 2074484 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12322310220 its reverse (2201322321), we get a palindrome (14523632541).

The spelling of 12322310220 in words is "twelve billion, three hundred twenty-two million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 90 99 108 110 132 135 165 180 198 220 270 297 330 396 495 540 594 660 990 1188 1485 1980 2970 5940 2074463 4148926 6223389 8297852 10372315 12446778 18670167 20744630 22819093 24893556 31116945 37340334 41489260 45638186 56010501 62233890 68457279 74680668 91276372 93350835 112021002 114095465 124467780 136914558 186701670 205371837 224042004 228190930 273829116 280052505 342286395 373403340 410743674 456381860 560105010 616115511 684572790 821487348 1026859185 1120210020 1232231022 1369145580 2053718370 2464462044 3080577555 4107436740 6161155110 12322310220