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12200112221202 = 2326171181930157
BaseRepresentation
bin1011000110001000111101…
…0110101110110000010010
31121012022121210112012211200
42301202033112232300102
53044341312212034302
641540353145252030
72366300103562023
oct261421726566022
947168553465750
1012200112221202
1139840473244a4
121450568a94016
136a6609041129
143026ba952c4a
1516254616081c
hexb188f5aec12

12200112221202 has 48 divisors (see below), whose sum is σ = 26498865713112. Its totient is φ = 4056670759680.

The previous prime is 12200112221191. The next prime is 12200112221321. The reversal of 12200112221202 is 20212221100221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9730974541401 + 2469137679801 = 3119451^2 + 1571349^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12651108 + ... + 13581264.

Almost surely, 212200112221202 is an apocalyptic number.

12200112221202 is an abundant number, since it is smaller than the sum of its proper divisors (14298753491910).

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

12200112221202 is a wasteful number, since it uses less digits than its factorization.

12200112221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931963 (or 931960 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12200112221202 its reverse (20212221100221), we get a palindrome (32412333321423).

The spelling of 12200112221202 in words is "twelve trillion, two hundred billion, one hundred twelve million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 617 1181 1234 1851 2362 3543 3702 5553 7086 10629 11106 21258 728677 930157 1457354 1860314 2186031 2790471 4372062 5580942 6558093 8371413 13116186 16742826 573906869 1098515417 1147813738 1721720607 2197030834 3295546251 3443441214 5165161821 6591092502 9886638753 10330323642 19773277506 677784012289 1355568024578 2033352036867 4066704073734 6100056110601 12200112221202