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12022012202020 = 2254768031879961
BaseRepresentation
bin1010111011110001011111…
…0001000100110000100100
31120120021220200220211021221
42232330113301010300210
53033432040110431040
641322500335550124
72350363445441422
oct256742761046044
946507820824257
1012022012202020
113915563524aa7
121421b4368b344
13692894c247b2
142d7c23218112
1515cac065e74a
hexaef17c44c24

12022012202020 has 48 divisors (see below), whose sum is σ = 25787183079168. Its totient is φ = 4705795554560.

The previous prime is 12022012202009. The next prime is 12022012202059. The reversal of 12022012202020 is 2020221022021.

It is a junction number, because it is equal to n+sod(n) for n = 12022012201985 and 12022012202003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5454840 + ... + 7334800.

It is an arithmetic number, because the mean of its divisors is an integer number (537232980816).

Almost surely, 212022012202020 is an apocalyptic number.

12022012202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022012202020 is an abundant number, since it is smaller than the sum of its proper divisors (13765170877148).

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

12022012202020 is a wasteful number, since it uses less digits than its factorization.

12022012202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886820 (or 1886818 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12022012202020 its reverse (2020221022021), we get a palindrome (14042233224041).

The spelling of 12022012202020 in words is "twelve trillion, twenty-two billion, twelve million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 6803 13606 27212 34015 68030 136060 319741 639482 1278964 1598705 1879961 3197410 3759922 6394820 7519844 9399805 18799610 37599220 88358167 176716334 353432668 441790835 883581670 1767163340 12789374683 25578749366 51157498732 63946873415 127893746830 255787493660 601100610101 1202201220202 2404402440404 3005503050505 6011006101010 12022012202020