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12012222000020 = 22511232373956917
BaseRepresentation
bin1010111011001101000000…
…1110011010101110010100
31120112100122101221000220212
42232303100032122232110
53033302012313000040
641314201045544552
72346566026212434
oct256632016325624
946470571830825
1012012222000020
11391139a185370
121420070a15158
13691994842268
142d7574ca82c4
1515c6eade3d65
hexaecd039ab94

12012222000020 has 48 divisors (see below), whose sum is σ = 28715382880128. Its totient is φ = 4178164172160.

The previous prime is 12012222000017. The next prime is 12012222000059. The reversal of 12012222000020 is 2000022221021.

12012222000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12012221999959 and 12012222000004.

It is a congruent number.

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, 1186973399 + ... + 1186983518.

It is an arithmetic number, because the mean of its divisors is an integer number (598237143336).

Almost surely, 212012222000020 is an apocalyptic number.

12012222000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012222000020 is an abundant number, since it is smaller than the sum of its proper divisors (16703160880108).

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

12012222000020 is a wasteful number, since it uses less digits than its factorization.

12012222000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373956960 (or 2373956958 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12012222000020 its reverse (2000022221021), we get a palindrome (14012244221041).

The spelling of 12012222000020 in words is "twelve trillion, twelve billion, two hundred twenty-two million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2530 5060 2373956917 4747913834 9495827668 11869784585 23739569170 26113526087 47479138340 52227052174 54601009091 104454104348 109202018182 130567630435 218404036364 261135260870 273005045455 522270521740 546010090910 600611100001 1092020181820 1201222200002 2402444400004 3003055500005 6006111000010 12012222000020