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121222110200010 = 23517347872329241
BaseRepresentation
bin11011100100000000111000…
…110100010100000011001010
3120220012201110021201200101120
4123210000320310110003022
5111342100340202400020
61105452400231500110
734351002616402551
oct3344007064240312
9526181407650346
10121222110200010
113569700aa54876
12117197a7527636
13528427163ba61
1421d1277c22d98
15e033ea48b740
hex6e4038d140ca

121222110200010 has 32 divisors (see below), whose sum is σ = 290933357090112. Its totient is φ = 32325863541120.

The previous prime is 121222110199987. The next prime is 121222110200029. The reversal of 121222110200010 is 10002011222121.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 50878990 + ... + 53208230.

It is an arithmetic number, because the mean of its divisors is an integer number (9091667409066).

Almost surely, 2121222110200010 is an apocalyptic number.

121222110200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222110200010 is an abundant number, since it is smaller than the sum of its proper divisors (169711246890102).

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

121222110200010 is a wasteful number, since it uses less digits than its factorization.

121222110200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064038.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121222110200010 its reverse (10002011222121), we get a palindrome (131224121422131).

The spelling of 121222110200010 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred ten million, two hundred thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 1734787 2329241 3469574 4658482 5204361 6987723 8673935 10408722 11646205 13975446 17347870 23292410 26021805 34938615 52043610 69877230 4040737006667 8081474013334 12122211020001 20203685033335 24244422040002 40407370066670 60611055100005 121222110200010