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10021002022212 = 223835083501851
BaseRepresentation
bin1001000111010011001001…
…0001000000110101000100
31022110222221212020112010220
42101310302101000311010
52303141003004202322
633151330151144340
72052664525523616
oct221646221006504
938428855215126
1010021002022212
113213979438175
12115a1793750b0
13578c902ca8bc
1426903a52adb6
15125a08b3e55c
hex91d32440d44

10021002022212 has 12 divisors (see below), whose sum is σ = 23382338051856. Its totient is φ = 3340334007400.

The previous prime is 10021002022193. The next prime is 10021002022223. The reversal of 10021002022212 is 21222020012001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×100210020222123 (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021002022191 and 10021002022200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417541750914 + ... + 417541750937.

It is an arithmetic number, because the mean of its divisors is an integer number (1948528170988).

Almost surely, 210021002022212 is an apocalyptic number.

10021002022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021002022212 is an abundant number, since it is smaller than the sum of its proper divisors (13361336029644).

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

10021002022212 is a wasteful number, since it uses less digits than its factorization.

10021002022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835083501858 (or 835083501856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10021002022212 its reverse (21222020012001), we get a palindrome (31243022034213).

The spelling of 10021002022212 in words is "ten trillion, twenty-one billion, two million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 835083501851 1670167003702 2505250505553 3340334007404 5010501011106 10021002022212