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12000212110220 = 2251321454209391
BaseRepresentation
bin1010111010100000010001…
…1000010100101110001100
31120111012122102012102022112
42232220010120110232030
53033102413300011340
641304453224203152
72345662304635445
oct256500430245614
946435572172275
1012000212110220
113907296989404
12141987a9094b8
136907cc6270a9
142d6b55c342cc
1515c24686d065
hexaea04614b8c

12000212110220 has 24 divisors (see below), whose sum is σ = 25219522281408. Its totient is φ = 4796451158400.

The previous prime is 12000212110219. The next prime is 12000212110259. The reversal of 12000212110220 is 2201121200021.

It is a junction number, because it is equal to n+sod(n) for n = 12000212110195 and 12000212110204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227078276 + ... + 227131115.

It is an arithmetic number, because the mean of its divisors is an integer number (1050813428392).

Almost surely, 212000212110220 is an apocalyptic number.

12000212110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000212110220 is an abundant number, since it is smaller than the sum of its proper divisors (13219310171188).

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

12000212110220 is a wasteful number, since it uses less digits than its factorization.

12000212110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454210721 (or 454210719 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12000212110220 its reverse (2201121200021), we get a palindrome (14201333310241).

The spelling of 12000212110220 in words is "twelve trillion, two hundred twelve million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1321 2642 5284 6605 13210 26420 454209391 908418782 1816837564 2271046955 4542093910 9084187820 600010605511 1200021211022 2400042422044 3000053027555 6000106055110 12000212110220