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12020104053420 = 22351071872290351
BaseRepresentation
bin1010111011101010011000…
…0010000100001010101100
31120120002222201101211111120
42232322212002010022230
53033414133114202140
641321543133420540
72350265245443111
oct256724602041254
946502881354446
1012020104053420
113914774413791
1214216b063a750
1369264c7c9c98
142d7ac1a2c908
1515ca0cd921d0
hexaeea60842ac

12020104053420 has 48 divisors (see below), whose sum is σ = 33970836146688. Its totient is φ = 3175404433600.

The previous prime is 12020104053323. The next prime is 12020104053421. The reversal of 12020104053420 is 2435040102021.

It is not an unprimeable number, because it can be changed into a prime (12020104053421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936138756 + ... + 936151595.

It is an arithmetic number, because the mean of its divisors is an integer number (707725753056).

Almost surely, 212020104053420 is an apocalyptic number.

12020104053420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020104053420 is an abundant number, since it is smaller than the sum of its proper divisors (21950732093268).

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

12020104053420 is a wasteful number, since it uses less digits than its factorization.

12020104053420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872290470 (or 1872290468 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12020104053420 its reverse (2435040102021), we get a palindrome (14455144155441).

The spelling of 12020104053420 in words is "twelve trillion, twenty billion, one hundred four million, fifty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 107 214 321 428 535 642 1070 1284 1605 2140 3210 6420 1872290351 3744580702 5616871053 7489161404 9361451755 11233742106 18722903510 22467484212 28084355265 37445807020 56168710530 112337421060 200335067557 400670135114 601005202671 801340270228 1001675337785 1202010405342 2003350675570 2404020810684 3005026013355 4006701351140 6010052026710 12020104053420