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10021010221212 = 2235914153969239
BaseRepresentation
bin1001000111010011001011…
…0000010010100010011100
31022110222222102200002001120
42101310302300102202130
52303141012104034322
633151331043010540
72052664655312454
oct221646260224234
938428872602046
1010021010221212
113213983028201
12115a180069a50
13578c91c0b793
1426903b662d64
15125a0970da5c
hex91d32c1289c

10021010221212 has 24 divisors (see below), whose sum is σ = 23778668323200. Its totient is φ = 3283720863216.

The previous prime is 10021010221151. The next prime is 10021010221237. The reversal of 10021010221212 is 21212201012001.

It is a junction number, because it is equal to n+sod(n) for n = 10021010221191 and 10021010221200.

It is a congruent number.

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, 7076983912 + ... + 7076985327.

It is an arithmetic number, because the mean of its divisors is an integer number (990777846800).

Almost surely, 210021010221212 is an apocalyptic number.

10021010221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021010221212 is an abundant number, since it is smaller than the sum of its proper divisors (13757658101988).

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

10021010221212 is a wasteful number, since it uses less digits than its factorization.

10021010221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14153969305 (or 14153969303 counting only the distinct ones).

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

Adding to 10021010221212 its reverse (21212201012001), we get a palindrome (31233211233213).

The spelling of 10021010221212 in words is "ten trillion, twenty-one billion, ten million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 14153969239 28307938478 42461907717 56615876956 84923815434 169847630868 835084185101 1670168370202 2505252555303 3340336740404 5010505110606 10021010221212