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10020220201212 = 2231368419389297
BaseRepresentation
bin1001000111010000001110…
…1010100110100011111100
31022110220221101002220100120
42101310003222212203330
52303132402332414322
633151120422054540
72052636253253244
oct221640352464374
938426841086316
1010020220201212
113213608093511
121159b9b57a450
13578b97341320
14268da4774b24
151259b01a8a5c
hex91d03aa68fc

10020220201212 has 48 divisors (see below), whose sum is σ = 25182698151072. Its totient is φ = 3082693662720.

The previous prime is 10020220201207. The next prime is 10020220201213. The reversal of 10020220201212 is 21210202202001.

It is a junction number, because it is equal to n+sod(n) for n = 10020220201191 and 10020220201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020220201213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3627453 + ... + 5761844.

It is an arithmetic number, because the mean of its divisors is an integer number (524639544814).

Almost surely, 210020220201212 is an apocalyptic number.

10020220201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020220201212 is an abundant number, since it is smaller than the sum of its proper divisors (15162477949860).

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

10020220201212 is a wasteful number, since it uses less digits than its factorization.

10020220201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396158 (or 9396156 counting only the distinct ones).

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

Adding to 10020220201212 its reverse (21210202202001), we get a palindrome (31230422403213).

The spelling of 10020220201212 in words is "ten trillion, twenty billion, two hundred twenty million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 6841 13682 20523 27364 41046 82092 88933 177866 266799 355732 533598 1067196 9389297 18778594 28167891 37557188 56335782 112671564 122060861 244121722 366182583 488243444 732365166 1464730332 64232180777 128464361554 192696542331 256928723108 385393084662 770786169324 835018350101 1670036700202 2505055050303 3340073400404 5010110100606 10020220201212