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10020012212 = 2271321270899
BaseRepresentation
bin10010101010011110…
…10100000010110100
3221212022102100201102
421111033110002310
5131010110342322
64334135345232
7503206461410
oct112517240264
927768370642
1010020012212
114282043531
121b37822218
13c38ba6312
146b0a91d40
153d9a12792
hex2553d40b4

10020012212 has 24 divisors (see below), whose sum is σ = 20055268800. Its totient is φ = 4291024320.

The previous prime is 10020012199. The next prime is 10020012271. The reversal of 10020012212 is 21221002001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10020012193 and 10020012202.

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, 98462 + ... + 172437.

It is an arithmetic number, because the mean of its divisors is an integer number (835636200).

Almost surely, 210020012212 is an apocalyptic number.

It is an amenable number.

10020012212 is an abundant number, since it is smaller than the sum of its proper divisors (10035256588).

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

10020012212 is a wasteful number, since it uses less digits than its factorization.

10020012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272231 (or 272229 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020012212 its reverse (21221002001), we get a palindrome (31241014213).

The spelling of 10020012212 in words is "ten billion, twenty million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 1321 2642 5284 9247 18494 36988 270899 541798 1083596 1896293 3792586 7585172 357857579 715715158 1431430316 2505003053 5010006106 10020012212